Advertisements
Advertisements
Question
Give one example of change occurs on mixing two substances, but can be reversed.
Advertisements
Solution
Formation of salt solution.
APPEARS IN
RELATED QUESTIONS
Short Answer Type Question:
What is a chemical change? Explain with example.
Magnet attracts iron needle.This is ______ change.
Choose the odd one out. Give reason for your choice.
Inflating a balloon, popping a balloon, fading of wall paint, burning of kerosene
Evaporation of water is a reversible change.
The burning of the paper is an irreversible change.
Name the two types of changes.
What are reversible changes?
What are irreversible changes?
Which of the following changes cannot be reversed?
- Blowing of a balloon
- Folding paper to make a toy aeroplane
- Rolling a ball of dough to make roti
- Baking cake in an oven
- Drying a wet cloth
- Making biogas from cow dung
- Burning of a candle
A potter working on his wheel shaped a lump of clay into a pot. He then baked the pot in an oven. Do these two acts lead to the same kind of changes or different? Give your opinion and justify your answer.
