Exam Review (Matching)

Question 1

A description of the appearance and composition of a substance.

Answer 1

Physical Property

Question 2

What kind of metals are magnesium, calcium and beryllium?

Answer 2

Alkaline earth metals

Question 3

A description of the ability of a substance to change into a new substance?

Answer 3

Chemical property

Question 4

Anything that has mass or volume.

Answer 4

Matter

Question 5

What kind of mixture is a jar filled with pennies and quarters

Answer 5

Mechanical mixture

Question 6

What are good conductors of electricity and heat, shiny, ductile and malleable?

Answer 6

Metals

Question 7

Helium, nitrogen and gold are examples of what?

Answer 7

Elements

Question 8

Tiny, negatively charged subatomic particles.

Answer 8

electrons

Question 9

Are polyatomics molecular or ionic?

Answer 9

Ionic

Question 10

What organ has to be basic?

Answer 10

the small intestine

Question 11

Example of a sulfuric acid

Answer 11

H2SO4 (aq)

Question 12

a key that shows a colour and pH range for a tested solution

Answer 12

pH paper

Question 13

helps us absorb iron

Answer 13

Ammonium hydroxide

Question 14

An organ that has to be very acidic

Answer 14

Stomach

Question 15

What is Mg(OH)2

Answer 15

Milk of magnesia

Question 16

An electronic device that shows an exact pH value.

Answer 16

pH Meter

Question 17

HCl (aq)

Answer 17

stomach acid

Question 18

Hydrosulphuric acid formula?

Answer 18

HS (aq)

Question 19

When litmus paper turns blue it is a ?

Answer 19

Base

Question 20

When litmus paper turns red it is a ?

Answer 20

Acid