UNIT TEST

 Unit test -2 

ACIDS BASES AND SALTS


1.What is the taste of acids?

2.What is the taste of bases?

3. When do we suffer from a  problem of acidity?

4. What do you suggest as a remedy when someone suffers from a problem of acidity after overeating?

.5. Why do you suggest to have baking soda solution when someone suffers from a problem of acidity after overeating?

6. What happens to blue litmus paper when dipped in acids?

7. What happens to red litmus paper when dipped in bases?

8. Give examples for natural indicators.

9. What is the nature of soap so far as it's pH is concerned?

10. Which colour does a stain of curry on white cloth become when soap is rubbed on it? Why?

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