Question

g. State whether the statements given below are true or false. If false

write the correct statement (5)

1. Lead pencils contain lead

2. The chemical name of rust is iron [III] oxide.

3. Silicon is an example of a metalloid.

4. Either oxygen or moisture is essential for rusting.

5. Graphite is a lustrous non-metal which conducts electricity.​

Answer 1

Answer:

1, 2, 3 and 5 are true but 4 is false.

Correct statement: Both oxygen and moisture is essential for rusting.

Answer 2

Answer:

1. True.

2. True.

3. True.

4. False because for rusting oxygen and water is essential but moisture is not essential.

5. True.

Hope it helps.