Few changes are given below. Mark the correct option from the codes given below. 1. Milk is set to form curd. 2. Batter is steamed to form idlis. 3. Water is boiled to form steam. 4. Salt is dissolved in water to form solution.

C. (i) (ii) (iii) (iv) Chemical Chemical Physical Physical

Few changes are given below. Mark the correct option from the cod…

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MCQ

Few changes are given below. Mark the correct option from the codes given below.

Milk is set to form curd.
Batter is steamed to form idlis.
Water is boiled to form steam.
Salt is dissolved in water to form solution.

A

$(i)$

$(ii)$

$(iii)$

$(iv)$

Physical

Physical

Chemical

Chemical
B

$(i)$

$(ii)$

$(iii)$

$(iv)$

Physical

Chemical

Physical

Chemical
✓

$(i)$

$(ii)$

$(iii)$

$(iv)$

Chemical

Chemical

Physical

Physical
D

$(i)$

$(ii)$

$(iii)$

$(iv)$

Physical

Chemical

Chemical

Physical

✓

Answer

Correct option: C.

$(i)$	$(ii)$	$(iii)$	$(iv)$
Chemical	Chemical	Physical	Physical

A change in which a substance undergoes a change in its physical properties is called a physical change. It is generally reversible and in such a change, no new substance is formed. For example, boiling of water, dissolving of salt in water, melting an ice cube. A change in which one or more new substances are formed by means of a chemical reaction is called a chemical change. It is generally irreversible. For example, setting of milk into curd, making idlis, rusting of iron, cooking of food, etc.

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