Question

Which of the following is not a chemical change?
1. Formation of a curd 2. Ripening of banana
3. Sublimation 4. Corrosion of a photo frame.
b. Which of given energy is absorbed during the change of state of any substance?
1. Specific heat 2. Latent heat
3. Heat capacity 4. Heat of fusion
c. Which isotope of carbon is taken as standard unit to measure the atomic mass?
1. Carbon-16 2. Carbon-12
3. Carbon-13 4. Carbon-18
d. Milk of magnesia is-
1. A homogeneous mixture 2. A suspension
3. A colloid 4. A solution

Answer 1

Answer:

1= Sublimation

2=latent heat

3=Carbon 12

4=Suspension

Explanation:

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Answer 2

Answer:

A) 1) Chemical change

2) Physical Change

3) Chemical Change

4) Chemical Change

B) 2) Latent Heat

C) 2) Carbon-12

D) 2) A Suspension