Question

1. _____ can be used as a non polluting fuel

2.Liquid _____ is used for refrigerating cells fir medical research

3. A non - metal that is good conductor of heat

4. ________ is kept immersed in kerosene


please answer in one word answer only plz
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Answer 1

Explanation:

1. methane

2. nitrogen

3. graphite

4. sodium

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Answer 2

Answer:

● 1) CNG.

● 2) Nitrogen.

● 3) Graphite.

● 4) Sodium.

Explanation:

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