Question

8
II. I
1. Multiple Choice Questions
Tick (/) the correct option:
1. Which among the following is a reversible
change?
(a) Cold coffee to hot coffee
(b) Growth of plant
(c) Milk into curd
(d) Iron into iron oxide
2. Which is not a sign of reversible change?
(a) Change in state
(b) Change in colour
(c) Change in size
(d) All of these
3. Which of the following is a fast change?
(a) Rusting of iron
(b) Growing of child into adult
(c) Growing of nail
(d) Burning of forest
4. Which among the following is correct for
chemical reaction?
(a) Mass of reactants is equal to mass of products
(b) Mass of reactants is less than mass of
products
(c) Mass of reactants is more than mass of
products
(d) None of these
chemical
ne
III
I​

Answer 1

Answer:

Explanation:

1) Cold coffee to hot coffee

2) All of these

3) burning of forest

4) mass of reactants is equal to mass of products