Question

SECTION 1 of 1

QUES
If in the following diagram the substance is in solid form during stage 1, what is happening during stage 4?


1.The substance is melting or freezing

2.The substance is in the liquid state.

3.The substance is in the gaseous state.

4.The substance is boiling or condensing.

Answer 1

The substance is melting

• See as per the temperature increases the heat input also increases.
• The temperature is increasing still at stage 4.
• Heat input is increasing to too high level.
• So the substance is melting .as the substance is at solid state so it will convert to liquid then gas.