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NCERT EXEMPLAR-PHYSICAL AND CHEMICAL CHANGES -VERY SHORT ANSWER QUESTIONS
- State whether the following statements are true or false : When...
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- Anaerobic bacteria digest animal waste and produce biogas .
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- Ships suffer a lot of damage though they are painted .
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- State true or false. Stretching of rubber band is not a physical cha...
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- Melting of wax is a change where a solid changes to liquid state . ...
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- What kind of change is shown by tearing of paper ?
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