2 Choose the correct option.
a) The method to separate salt from its solution in water is
(i) filtration
(ii) evaporation.
(iii) decantation
(iv) sedimentation.
b) Which of the following changes cannot be reversed?
(i) freezing of ice
(ii) burning of coal
(iii) opening a door
(iv) melting of chocolate
Answers
Answered by
44
Answer:
a) sedimentation
B) burning of coal
Answered by
15
Answer:
a. (2) evaporation
b. (2) burning of coal
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