Non metals are usually poor conductors of heat and electricity.
Question:

Non metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sono- rous, nonmalleable and are coloured.

1. Name a lustrous non-metal.

2. Name a non-metal which exists as a liquid at room temperature.

3. The allotropie form of a non-metal is a good conductor of electricity. Name the allotope.

4. Name a non-metal which is known to form the largest number of compounds.

5. Name a non-metal other than carbon which shows allotropy.

6. Name a non-metal which is required for combustion.

Solution:

1. Graphite (Carbon)

2. Bromine

3. Graphite(Carbon)

4. Carbon

5. Silicon

6. Coke (Carbon).

Administrator

Leave a comment

Please enter comment.
Please enter your name.