Question

d. non
2. Which of the following is not a reversible change?
c. both physical and chemical changes
2. Freezing of water
c. Burning of fuel
C.
2. Watering
C с.
b.M
d. c
3. Which of the following is not a method for preventing n
b. Painting
4. A process in which iron objects are coated with zinc is
a. crystallisation b. greasing
5. Burning of a candle is a
a. exothermic change b. physical change
6. The gas evolved when vinegar reacts with baking so
2. Oxygen
b. nitrogen
hich of the following will show a chemical change​

Answer 1

Answer:

2) buning of fuel

3)a

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