Elements ,Compounds and Mixtures- Year 8 Chemistry

Question 1

Which of the following is an example of a homogenous mixture?

Accepted Answer

Air

Question 2

What is the definition of ‘solution’?

Accepted Answer

A solute dissolved in a solvent.

Question 3

Mixture contains different elements and/or compounds that are joined together chemically

Accepted Answer

False

Question 4

Which of the following is an example of a heterogenous mixture?

Accepted Answer

Vegetable Soup

Question 5

What are protons?

Accepted Answer

Subatomic particles with a positive charge

Question 6

A compound is formed by the formation of at least two different atoms.

Accepted Answer

True

Question 7

What is the name given to elements that have features of both metals and non-metals?

Accepted Answer

Metalloids

Question 8

Is Sea Water a mixture?

Accepted Answer

True

Question 9

Protons and Neutrons are NOT located inside the nucleus?

Accepted Answer

False

Question 10

Non-Metal are good conductors of electricity and heat

Accepted Answer

False

Question 11

What is the name given to any substance that cannot be broken down into smaller substances?

Accepted Answer

Element

Question 12

An elements is made up of two types of atoms

Accepted Answer

False

Question 13

Molecules are particles made of two or more atoms joined together.

Accepted Answer

True

Question 14

Pure Salt is NOT a compound?

Accepted Answer

False

Questions 14