Question

1. Give two uses of sulphuric acid and nitric acid

2. What does soil consist of ?

3. Which layer of the soil support the growth of plants

4. Difference between arteries and veins

5. Why much seed and fruits be dispersed 6. Define fast and slow motion
Anwer Fast ​

Answer 1

Gandhi's Salt March

On 12 March 1930, Mahatma Gandhi embarked on a sathyagraha with 79 followers from Sabarmati Ashram to Dandi on the Arabian Sea coast.

Answer 2

Answer:

The major use of sulfuric acid is in the production of fertilizers, e.g., superphosphate of lime and ammonium sulfate. It is widely used in the manufacture of chemicals, e.g., in making hydrochloric acid, nitric acid, sulfate salts, synthetic detergents, dyes and pigments, explosives, and drugs.