Flashcards and Answers – Chemistry
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| CHEMISTRY |
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| it is the science of atomic matter, especially its chemical reactions and it also focuses on the structure, composition and properties of an atomic matter, transformation and energy. |
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| NUCLEAR CHEMISTRY |
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| Branch of chemistry that is associated with nuclear reaction and isotopes |
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| ORGANIC CHEMISTRY |
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| Branch of chemistry that studies carbon and its compounds. |
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| INORGANIC CHEMISTRY |
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| Branch of chemistry that studies compounds not covered by carbon. |
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| BIOCHEMISTRY |
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| Branch of chemistry that involves living organisms. |
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| AGROCHEMISTRY |
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| Branch of chemistry that involves the application of chemistry to agricultural means. |
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| THEORETICAL CHEMISTRY |
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| Branch of chemistry which is the mathematical study of chemistry |
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| TECHNOLOGY |
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| The application of science |
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| CHEMICAL TECHNOLOGY |
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| The application of chemistry to a particular purpose. |
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| 1. INDUSTRY DEPENDS ON CHEMISTRY 2. PROFESSION & OCCUPATION NEED KNOWLEDGE OF CHEMISTRY 3. APPLICATION OF CHEMICAL THEORIES PRODUCES NEW AND BETTER MATERIALS |
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| Give the three major roles of chemistry to our life. |
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| ARTISANS |
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| The ones who does ancient arts |
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| ORE |
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| Mixture of a metal and a substance/mineral |
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| COPPER |
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| What metal can you extract from Malachite Ore? |
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| PRACTICAL ARTS/ANCIENT ARTS |
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| Chemistry from an unknown BC - 600 BC Extracting metal from its ore, manufacture of pottery, production of yeast/drugs, baking and brewing |
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| FIVE ELEMENT THEORY |
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| Theory that tells that all substances/elements that are present on earth are fire, water, earth and wind. |
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| ARISTOTLE |
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| Who proposed the five element theory? |
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| DEMOCRITUS |
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| Tells that the Atom is the smallest unit of matter. |
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| 1. TO CREATE THE PHILOSOPHER'S STONE 2. TO TURN BASE METALS INTO GOLD |
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| What are the two primary goals of alchemists? |
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| ROBERT BOYLE |
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| He questioned the attitude of the alchemists and published the book "The Skeptical "Chemist" |
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| PHLOGISTON THEORY |
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| The theory that tells us that every combustible material contains phlogiston. |
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| JOHANN BEECHER |
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| He proposed the Phlogiston Theory |
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| ANTOINE LAVOISIER |
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| He is the father of modern chemistry. |
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| ANTOINE LAVOISIER |
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| Who disagreed with the phlogiston theory? |
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| SIR ISAAC NEWTON |
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| Made the law of conservation of energy. |
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| OBSERVATION |
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| Anything that can be perceived by our senses. |
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| 1. QUALITATIVE 2. QUANTITATIVE |
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| Two types of observation. |
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| PREDICTION |
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| An intelligent guess. |
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| CONCLUSION |
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| Sum of all ideas |
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| 1. NUMERICAL VALUE 2. UNIT |
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| A measurement is composed of what two parts? |
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| Material Safety Data Sheet |
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| What is the meaning of MSDS? |
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| 1. METRIC SYSTEM 2. ENGLISH SYSTEM |
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| What are the two kinds/systems of measurement? |
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| 1. FUNDAMENTAL 2. DERIVED |
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| What are the two kinds of units? |
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| ACCURACY |
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| The closeness of a number to the true value. |
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| PRECISION |
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| The closeness of the measured values to each other |
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| 1.609 km |
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| 1 mile is equivalent to _____ km |
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| 2.2 lbs |
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| 1 kilogram is equivalent to _____ lbs |
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| F = (C * 1.8) + 32 |
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| Formula from Celsius to Fahrenheit |
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| C = (F-32) / 1.8 |
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| Formula from Fahrenheit to Celsius |
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| K = C + 273 |
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| Formula from Celsius to Kelvin |
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| 1 cm^3 |
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| 1 mL is how many cm |
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| 2.54 cm |
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| 1 inch is equal to _____ cm |
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| SIGNIFICANT FIGURES |
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| numbers which are certain |
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| MATTER |
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| It is anything that has mass and occupies space |
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| INTRINSIC PROPERTIES |
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| properties that are permanent or that depend to the substance itself |
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| EXTRINSIC PROPERTIES |
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| nonpermanent properties of substances that vary from sample to sample |
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| CHEMICAL PROPERTIES |
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| Are observed when the substance takes part in a chemical reaction. |
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| PHYSICAL PROPERTIES |
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| Are observed without changing the chemical identity of a substance |
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| INTENSIVE PROPERTIES |
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| Are those that are independent on the amount of matter |
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| EXTENSIVE PROPERTIES |
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| Are those that are dependent on the amount of matter |
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| 1. PURE SUBSTANCES 2. MIXTURES |
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| Classification of Matter |
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| HOMOGENOUS |
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| Pure substances are homogenous or heterogenous? |
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| 1. ELEMENTS 2. COMPOUNDS |
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| Classification of pure substances |
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| 1. METALS 2. METALLOIDS 3. NON-METALS |
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| Classification of Elements |
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| 1. ORGANIC 2. INORGANIC |
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| Classification of compounds accdg. to Carbon content |
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| 1. ACID 2. BASE 3. NEUTRAL |
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| Classification of compounds accdg. to pH level |
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| PURE SUBSTANCES |
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| Definite, constant, cannot be separated through physical means. |
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| MIXTURES |
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| Indefinite, varying easily separated, can be separated through physical means. |
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| ELEMENTS |
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| Is a type of matter that cannot be broken down into two or more pure substances |
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| COMPOUNDS |
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| Is a pure substances that contains more than one element |
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| METALS |
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| Good conductor of heat and electricity, malleable, shiny, lustrous, ductile, high melting point, solid, hard, dense |
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| NON-METALS |
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| Good insulator, not malleable, dull, not ductile, low melting point, brittle, less dense |
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LYE (SODIUM HYDROXIDE) |
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NaOH common name:___________ chemical formula:_____________ |
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DRY ICE (SOLID CARBON DIOXIDE) |
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CO2
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MARBLE (CALCIUM CARBONATE) |
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CaCO3 common name:___________ chemical formula:_____________ |
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LAUGHING GAS (NITROGEN OXIDE) |
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| N2O |
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LIMEWATER (CALCIUM HYDROXIDE) |
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Ca(OH)2 common name:___________ chemical formula:_____________ |
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BLUE VITRIOL (COPPER SULFATE) |
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CuSO4 common name:___________ chemical formula:_____________ |
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OIL OF VITRIOL (SULFURIC ACID) |
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H2SO4 common name:___________ chemical formula:_____________ |
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SUGAR OF LEAD (LEAD ACETATE) |
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Pb(C2H3O2)2 common name:___________ chemical formula:_____________ |
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VINEGAR (ACETIC ACID) |
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CH3COOH common name:___________ chemical formula:_____________ |
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SALT (SODIUM CHLORIDE) |
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NaCl common name:___________ chemical formula:_____________ |
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TABLE SUGAR (SUCROSE) |
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C12H22O11 common name:___________ chemical formula:_____________ |
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| NITRITE |
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| NO2 |
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| NITRATE |
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| NO3 |
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| HYDROXIDE |
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| OH |
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| SULFIDE |
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| S2 |
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| SULFATE |
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| SO4 |
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| Sb (ANTIMONY) |
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| Stibium |
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| Cu (COPPER) |
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| Cuprum |
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| Au (GOLD) |
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| Aurum |
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| Fe (IRON) |
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| Ferrum |
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| Pb (LEAD) |
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| Plumbum |
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| Hg (MERCURY) |
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| Hydragyrum |
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| K (POTASSIUM) |
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| Kalium |
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| Ag (SILVER) |
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| Argentum |
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| Na (SODIUM) |
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| Natrium |
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| Sn (TIN) |
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| Stannum |
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| W (TUNGSTEN) |
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| Wolfram |
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| Sr (STRONTIUM) |
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| What element is present if the fireworks is RED? |
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| Cu (COPPER) |
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| What element is present if the fireworks is GREEN? |
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| Mg (MAGNESIUM) |
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| What element is present if the fireworks is WHITE? |
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| K (POTASSIUM) |
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| What element is present if the fireworks is VIOLET? |
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| ACIDUS |
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| The term "acid" came from the latin word ________. |
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| SOUR; BITTER |
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| Acid tastes ______ while base tastes ______. |
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| 1. STRONG ACID 2. WEAK ACID |
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| Two kinds of acid. |
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| H2 |
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| Acids REACT with metals to produce ________. |
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| THEY'RE CORROSIVE AS HELL |
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| Are acids corrosive or not? |
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| BELOW 7 |
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| What's their pH level? |
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| ACID TURNS THE BLUE LITMUS PAPER TO A FREAKING RED ONE |
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| What is the reaction of litmus paper to acid? |
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| CARBONIC ACID AND PHOSPHORIC ACID |
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| What are the two acids present in coke and pepsi? |
