Write ‘True’ or ‘False’ in front of following statements.1. Th

1.	Write ‘True’ or ‘False’ in front of following statements.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. Enameling is the process of baking a mixture of silicates on the surface of aluminium at a high temperature.5. Liquid oxygen is used for burning fuel in spaceships.
Answer» 1. False. Correct: The catalyst used in the laboratory preparation of oxygen gas from hydrogen peroxide gas is magnesium dioxide. 2. True 3. True 4. False. Correct: Enameling is the process of baking a mixture of silicates on the surface of iron at a high temperature. 5. True

Write ‘True’ or ‘False’ in front of following statements.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. Enameling is the process of baking a mixture of silicates on the surface of aluminium at a high temperature.5. Liquid oxygen is used for burning fuel in spaceships.

Answer»

1. False.

Correct: The catalyst used in the laboratory preparation of oxygen gas from hydrogen peroxide gas is magnesium dioxide.

2. True

3. True

4. False.

Correct: Enameling is the process of baking a mixture of silicates on the surface of iron at a high temperature.

5. True