Question

I. Answer the following questions in d
etail.
Q1. Differentiate between reversible and irreversible changes.
Q2. Differentiate between physical and chemical changes.
Q3. List four changes that are both physical and reversible.
Q4. List four practical applications of expansion and contraction.
Q5. Write a short note on expansion in gases.​

Answer 1

Answer:

5 answer:

The balloon is partially inflated in a cool space but expands to full size when placed in warm water. All this is because of the thermal expansion.

Body dimension increase due to temperature rise is thermal expansion.

The length expansion is termed linear expansion.

Expansion of area is known as area expansion.

The expansion in volume termed as volume expansion.

The thermal expansion coefficient measures the fractional change in size due to small temperature changes.

hope it's helpful to you

please mark me as brainlist