Question

MCQ:
1. Metal rim is fixed to the wooden cartwheel by
(a) heating metal rim
(b) heating wooden wheel
(c) cooling metal rim
(d) coling wooden wheel.
2. Which one of the steps while burning a candle is not reversible?
(a) melting of solid wax
(b) liquid wax changes into vapours
(c) wax vapour burns into flame
(d) all of these
3. Conversion of a solid to liquid by heating is called
(a) evaporation
(b) melting
(c) condensation
(d) freezing
4. Which of the following is a chemical change?
(a) evaporation of water
(b) burning of fuels
(c) moving of a wheel
(d) breaking of a brick


PLEASE ANSWER ONLY IF YOU KNOW

Answer 1

Answer:

1. c

2. b

3. b

4.b

Explanation:

I guess your in 7th

the last 3are correct

1st I have a little doubt

Answer 2

Answer:

1. c

2. b

3. b

4. b

Explanation:

Hope this is helpful to you.........

please make me as brainliest.............