important questions of chapter acids , bases and salts class 10
Answers
Questions :
1. Why is Plaster of Paris stored in a moisture proof container?
2. What do you mean by neutralization reaction? Give two examples.
3. Mention two uses of baking soda and washing soda.
4. Why does a milkman add a small amount of baking soda to fresh milk to shift the pH of fresh milk from 6 to slightly alkaline?
5. Why do acids not show acidic behavior in the absence of water?
6. Rain water conducts electricity but distilled water does not. Why?
7. Why don’t we keep sour substances in brass and copper vessels?
8. What is the common name of CaOCl2?
9. Name the compound used for softening hard water.
10. What happens when baking soda is heated?
11. Give the properties and uses of bleaching powder.
12. Give a few uses of acids, bases and salts respectively.
Answer:
important questions of chapter acids , bases and salts class 10
Explanation:
1. Why is Plaster of Paris saved in a moisture proof field?
2. What do you imply through neutralization reaction? supply two examples.
3 point out makes use of of baking soda and washing soda.
4. Why does a milkman add a small amount of baking soda to sparkling milk to shift the pH of fresh milk from 6 to slightly alkaline?
5. Why do acids now not display acidic conduct in the absence of water?
6. Rain water conducts strength but distilled water does not. Why?
7. Why don’t we hold bitter materials in brass and copper vessels?
8. what is the common name of CaOCl2?
9. name the compound used for softening difficult water.
10. What occurs when baking soda is heated?
11. give the residences and makes use of of bleaching powder.
12. deliver some makes use of of acids, bases and salts respectively.
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