Match the items in Column A with the items in column B Column A Column B 1. Ripening of fruit a. Stainless steel 2. Cutting of wood b. Crystallization 3. Galvanization c. Chemical change 4. Alloy d. Zinc e. Physical change

Column A Column B 1. Ripening of fruit Chemical change The ripening of fruit is a chemical change, in this change the composition of the fruit is changed. Column A Column B 2. Cutting of wood Physical change The cutting of wood is a physical change, in this change the composition of the wood is not changed. Column A Column B 3. Galvanization Zinc The galvanization is a process of applying a protective zinc coating to iron or steel, to prevent rusting. Column A Column B 4. Alloy Stainless steel The process of mixing two or more metals uniformly is called alloying.

E M B I B E

Frank Everyday Science>Chapter 6 - Physical and Chemical Changes>Let's revise>Q B

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is a hydrated ferric oxide.

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Important Questions on Physical and Chemical Changes

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Frank Everyday Science>Chapter 6 - Physical and Chemical Changes>Let's revise>Q B

Copper vessels are coated with _____ to prevent corrosion.

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Frank Everyday Science>Chapter 6 - Physical and Chemical Changes>Let's revise>Q B

We get _____ by the process of crystallization.

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Frank Everyday Science>Chapter 6 - Physical and Chemical Changes>Let's revise>Q B

A chemical change is usually _____ and permanent.

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Frank Everyday Science>Chapter 6 - Physical and Chemical Changes>Let's revise>Q B

_____ is an alloy of iron. (brass / stainless steel)

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Frank Everyday Science>Chapter 6 - Physical and Chemical Changes>Let's revise>Q C

Match the items in Column A with the items in column B

Column A	Column B
1. Ripening of fruit	a. Stainless steel
2. Cutting of wood	b. Crystallization
3. Galvanization	c. Chemical change
4. Alloy	d. Zinc
	e. Physical change