Question

1. Jeeva promised not to tell my secret___
2. The door creaked open by____
3. Where had you gone? ____was asking for you
4. They helped ____to clean up the room
5. Isn't it nice? made it ____​

Answer 1

A volatile substance is one that evaporates or sublimates at room temperature or below. ... A non-volatile substance refers to a substance that does not readily evaporate into a gas under existing conditions. Non-volatile substances exhibit a low vapor pressure and a high boiling point.

Answer 2

Answer:

A volatile substance is one that evaporates or sublimates at room temperature or below.  A non-volatile substance refers to a substance that does not readily evaporate into a gas under existing conditions. Non-volatile substances exhibit a low vapor pressure and a high boiling point.

Explanation: