Question

4. The property of a substance by which it dissolves in water is :
a. transparency
b. hardness
c. floatation
5. The property of a material to allow the flow of electric current is called
a. hardness
b. transparency
c. conductivity​

Answer 1

Answer:

1.actually it should be solubility,but here they didn't gave that option. so hardness is the relevant option.

2.conductivity

Explanation:

hardness is something about the shape of a substance (resistance to deformation). if a substance have less hardness it have less resistance to change it's shspe hence it dissolve more and vice versa.

hope it helps...

Answer 2

Answer:

4 ). Transparency

5). Conductivity

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