Class 6 Science MCQs - Chapter 15
Reversible and Irreversible Changes Multiple Choice Questions (MCQ) PDF - 4
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Reversible and Irreversible Changes Questions & Answers PDF Download: MCQ Quiz 4
MCQ 16: The melting and vaporization of candle is
- reversible
- irreversible
- both a and b
- constant
MCQ 17: The water which leaves during any evaporation is disappeared in form of
- liquid
- vapor
- solid
- gas
MCQ 18: When egg shell is mixed with vinegar a gas is released in atmosphere
- oxygen
- nitrogen
- carbonmono oxide
- carbon dioxide
MCQ 19: If candle wax is itself burned then its
- reversible
- irreversible
- both a and b
- constant
MCQ 20: Sugar undergoes changes on heating which are
- reversible
- irreversible
- same
- constant
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