Question

D. Write "True' or 'False' for the following statements.
Statement
1. The catalyst used in laboratory preparation of oxygen gas from hydrogen peroxide
gas is magnesium oxide.
2. Under laboratory conditions, the oxygen gas is insoluble in water.
3. The rust formed on the surface of iron easily crumbles.
4. Enamelling is the process of baking a mixture of silicates on the surface of aluminium
at a high temperature.
- Liquid oxygen is used for burning fuel in spaceships.​

Answer 1

Explanation:

1.TRUE

2.FALSE

3.FALSE

4.TRUE

PLEASE MARK AS BRAINLIST HEARTILY AND THANKSGIVING ALSO