Year 8 - Acids and Alkalis

Question 1

What is the PH for neutral?

Answer 1

7

Question 2

What is the PH range for alkalis?

Answer 2

8 - 14

Question 3

What is the PH range for acids?

Answer 3

0 - 6

Question 4

What colour is litmus indicator for acids?

Answer 4

Red

Question 5

What colour is litmus indicator for alkalis?

Answer 5

Blue

Question 6

With universal indicator is this acid or alkali?
Blue

Answer 6

Alkali

Question 7

With universal indicator is this acid or alkali?
4

Answer 7

Acid

Question 8

With universal indicator is this acid or alkali?
Red

Answer 8

Acid

Question 9

With universal indicator is this acid or alkali?
13

Answer 9

Alkali

Question 10

What is the formula of Hydrochloric acid?

Answer 10

HCl

Question 11

What is the formula of sulphuric acid?

Answer 11

H2SO4

Question 12

What hazard sign is this?
☢️

Answer 12

Radiation

Question 13

What hazard sign is this?
☣️

Answer 13

Biohazard

Question 14

What hazard sign is this?
☠️

Answer 14

Toxic

Question 15

What hazard sign is this?
❌h

Answer 15

Harmful

Question 16

What hazard sign is this?
❌i

Answer 16

Irritant

Question 17

What hazard sign is this?
🔥

Answer 17

Flammable

Question 18

What is the formula for nitric acid

Answer 18

HNO3

Question 19

Metal + acid =

Answer 19

Salt and Hydrogen

Question 20

What is a base?

Answer 20

Something that reacts with and neutralises an acid