Nelson Science Perspectives 10
Nelson Science Perspectives 10
1st Edition
Christy C. Hayhoe, Doug Hayhoe, Jeff Major, Maurice DiGiuseppe
ISBN: 9780176355289
Textbook solutions

All Solutions

Page 280: Try This

Exercise a
Step 1
1 of 1
According to the given information, universal indicator gives a green color in neutral solutions. This green color was obtained in the flask after the addition of some amount of hydrochloric acid. This permanent green color indicates the completion of the neutralization reaction.
Exercise b
Step 1
1 of 1
The extra acid added in step 7 neutralized the final traces of milk of magnesia in the mixture and therefore the mixture was no longer cloudy.
Exercise c
Step 1
1 of 2
Heartburn happens when the acidic juices of the stomach travel slightly up the esophagus such that their acidic behavior is felt in the alimentary canal and the mouth. These juices are acidic and can therefore be neutralized using a substance with basic properties. Baking soda has a pH of $8.3$, therefore yes this dissolved in water will help neutralize the acidic juices of the stomach to relieve the heartburn.
Result
2 of 2
Yes this remedy is useful as baking soda is basic in nature and will neutralize the acidic juices of the stomach.
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