Question

Write 'T' for true and 'F' for false for the following statements.

1. Hydrogen is usually found in the free state.

2. The addition of oxygen to a substance is called reduction.

3. The removal of oxygen from a substance is called reduction.

4. Hydrogen can be used as a fuel.

5. Helium is preferred to hydrogen for filling balloons.​

Answer 1

Answer:

1. false

2. false

3. true

4. true

5. true

Answer 2

Answer:

1. False 2. False 3. True 4. True 5. True