Question

: answer
1. An insoluble substance among the following is
(a) sugar
(b) salt
(c) sand
(d) lemon drops
2. In lemon water, lemon is
(a) solute
(b) solvent
(C) solution (d) all of them
3. The gas soluble in water is
(a) oxygen
(b) carbon dioxide
(c) nitrogen
(d) both (a) and (b)
4. When sugar is dissolved in water, the volume of water
(a) increases
(b) decreases
(c) remains save
(d) first increases and then decrease​

Answer 1

Answer:

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Explanation:

a=sand

b=solution

c=both a and b

d=increases