NS Term 2 Unit 3: Solutions

Question 1

What is a solution?

Answer 1

A solution is a special mixture of a liquid and a solid.

Question 2

Give 2 examples of solutions.

Answer 2

1. Salt in water

2. Sugar in water

Question 3

What are solutions in appearance?

Answer 3

Solutions are uniform in appearance.

Question 4

What does uniform mean?

Answer 4

Uniform means that the solid cannot be seen in the solution.

Question 5

What can dissolve in a liquid?

Answer 5

Some solids.

Question 6

What is dissolving?

Answer 6

Dissolving is the process of mixing a solid and a liquid so that the solid is no longer visible.

Question 7

What is soluble?

Answer 7

Soluble is when a solid is able to dissolve in a liquid.

Question 8

What is insoluble?

Answer 8

Insoluble is when a solid cannot dissolve in a liquid.

Question 9

Is dissolving different from melting?

Answer 9

Yes.

Question 10

What does dissolving use?

Answer 10

Dissolving uses mixing to combine a solid with a liquid.

Question 11

What does melting use?

Answer 11

Melting uses heat to convert one solid into a liquid.

Question 12

What does not melt in water?

Answer 12

Sugar.