Have an account?
Skip to Content
Build your own quiz
Suggestions for you
15 questions
Show Answers
See Preview
- 1. Multiple Choice
Which of the following is an irreversible change?
Combing hair
Crushing a can
Burning paper
Dissolving salt in water
- 2. Multiple Choice
Which of the following is reversible change?
Bending a wire
Making tea
Rusting of iron
Sprouting a seed
- 3. Multiple Choice
Which of the following is a chemical change?
Harvesting cotton fibres
powdering jeera seeds
Making cheese from milk.
Cutting an apple
- 4. Multiple Choice
Which of the following is an application of expansion due to heat.
Rotating of a fan
Rusting of iron
Working of a television
Working of a mercury thermometer
- 5. Multiple Choice
Which of the following contracts the least.
Solida
Liquids
Gases
All contract equally.
- 6. Multiple Choice
From which of the following containers do you think maximum evaporation will take place?
- 7. Fill in the Blank
In all reversible changes, the internal structure of the substances remains the ____________________________
- 8. Fill in the Blank
The gas or vapour of a substance can be changed back to liquid by ___________
- 9. Fill in the Blank
In chemical changes, original substances __________ be obtained easily.
- 10. Fill in the Blank
When a material is heated, the space between its particles _____________
- 11. Fill in the Blank
The amount of energy required in a physical change is usually _____________
- 12. Fill in the Blank
UNJUMBLE : OPRDCUST
- 13. Fill in the Blank
UNJUMBLE : SERACTANT
- 14. Fill in the Blank
UNJUMBLE : ACTAYLST
- 15. Fill in the Blank
UNJUMBLE : TCONRACTION
- Answer choicesTagsAnswer choicesTags