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MCQs on Physical and Chemical Changes
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MCQs on Physical and Chemical Changes
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10 Questions

1. Which is a method to prevent rust.
2. In which type of change a new substance is formed.
3. What is the formula of rust.
4. What will happen if carbon dioxide gas is passed through lime water .
5. Which of the following is a chemical change.
6. Galvanisation is a process used to prevent the rusting of which of the following.
7. Paheli
8. Which among the following is a physical change.
9. Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability.
10. How crystal of pure substances are obtained.

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