1st Periodical Exam

Question 1

What is Mixture?

Answer 1

Mixture is a combination of two or more substances

Question 2

What is the 2 types of mixture

Answer 2

Heterogeneous and homogenous mixture

Question 3

What is solution

Answer 3

Solution is homogenous mixture of a solute dissolve in solvent

Question 4

What is solvent

Answer 4

Solvent is a substance used to dissolve a solute

Question 5

What is solute

Answer 5

Solute is the substance that being dissolve in solvent

Question 6

What is soluble

Answer 6

Soluble is solute than can be dissolve in solvent

Question 7

What is insoluble

Answer 7

Insoluble is a substance that cannot dissolve in slivent

Question 8

It is a technique used in separating hetero mixture made up of solid &liquid or two diff liquid with diff density

Answer 8

Decantation

Question 9

This is a process which liquid turn into gas form on heating. Allowing liquid to evaporate leaving soluble solid behind

Answer 9

Evaporation

Question 10

Used to seperate insoluble solid from a liquid uses filter paper and mesh cloth

Answer 10

Filtering

Question 11

Separating metal mixture

Answer 11

Using magnets/ magnetism

Question 12

It is used to seperate big and fine particles using strainer / sieve

Answer 12

Sieving