Question

i)A chemical change involve change in

(a) Shape (b) Size (c) Colour (d) Composition

(ii) If A is more reactive then B, which of the following is true?

(a) A will replace B from a salt solution of B

(b) B will replace A from a salt of A

(c) Both can displace each other from their salts

(d) Both cannot displace each other from their salts

Answer 1

Answer:

1 - (d) Composition

2 - (a) A will replace B from a salt solution of B

Answer 2

Answer:

i) (d) composition

ii) (c)

Explanation:

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