Class 6 Science MCQs - Chapter 15
Reversible and Irreversible Changes Trivia Questions & Answers PDF Download - 4
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Reversible and Irreversible Changes Test Questions and Answers PDF Download: MCQ 4
The melting and vaporization of candle is
- reversible
- irreversible
- both a and b
- constant
The water which leaves during any evaporation is disappeared in form of
- liquid
- vapor
- solid
- gas
When egg shell is mixed with vinegar a gas is released in atmosphere
- oxygen
- nitrogen
- carbonmono oxide
- carbon dioxide
If candle wax is itself burned then its
- reversible
- irreversible
- both a and b
- constant
Sugar undergoes changes on heating which are
- reversible
- irreversible
- same
- constant
Class 6 Science Mock Tests
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