Question

Question 2.
What name is given to those substances which do not change the colour of either red or blue litmus paper?
: Question 1.
What is the test for acids and bases using litmus
Question 5.
A small amount of hydrochloric acid is always produced in the stomach. Is it useful or harmful for us? If excess of acid is produced in the stomach, what should we do?
2. What are the functions of roots?
3. What are the functions of stem?
4. What are the functions of leaf?
5. What do you mean by flower?
6. Name the parts of a flower?
7. What do you mean by Sepal of a flower?
8. Define Calyx?
9. Define Stamen?
10. Explain about pistil?

Answer 1

Explanation:

1)it changes red litmus to blue

5)we should neutralize it by taking antacid

Answer 2

Answer:

1. neutral
2. HCl in our stomach os useful for us.If exceess of acid is produced in the stomach we need to take the food which is basic in nature