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Which of the following are physical chan...

Which of the following are physical changes?
(i) Melting of iron metal
(ii) Rusting of iron
(iv) Bending of an iron rod
(v) Drawing a wire of iron metal

A

A and B

B

B and C

C

A and D

D

B and D

Text Solution

Verified by Experts

The correct Answer is:
C
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LAKHMIR SINGH & MANJIT KAUR-PHYSICAL AND CHEMICAL CHANGES-EXERCISE
  1. What happens when magnesium oxide is dissolved in water ? Write a word...

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  2. Which one of the following is not a chemical change ?

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  3. Which of the following are physical changes? (i) Melting of iron met...

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  4. Which of the following are chemical changes? (i) Decaying of wood ...

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  5. Which one of the following change can be reversed ?

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  6. Which of the following is not a physical change ?

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  7. When ice-cream melts : A. Heat is lost from the ice-cream B. Heat ...

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  8. Which of the following is a chemical change ?

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  9. One of the following is not a chemical change. This one is

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  10. Which of the following is not a characteristic of a physical change ?

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  11. The gas that turns lime water milky is

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  12. The ozone layer in the atmosphere absorbs

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  13. The rusting of iron can be prevented by coating it with a layer of : ...

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  14. Impure copper sulphate powder can be purified by the process of :

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  15. The gas we use in the kitchen is called liquefied petroleum gas (LPG)....

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  16. Anaerobic bacteria digest animal waste and produce biogas (change A). ...

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  17. When magnesium is burned in air, a powdery ash X is formed. X on disso...

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  18. When magnesium is burned in air, a powdery ash X is formed. X on disso...

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  19. When magnesium is burned in air, a powdery ash X is formed. X on disso...

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  20. When magnesium is burned in air, a powdery ash X is formed. X on disso...

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