C6 - Chemicals In Nature

Question 1

Formula for chlorine gas

Answer 1

Cl2

Question 2

Formula for hydrogen gas

Answer 2

H2

Question 3

Formula for nitrogen gas

Answer 3

N2

Question 4

Formula for oxygen gas

Answer 4

O2

Question 5

Formula for calcium chloride

Answer 5

CaCl2

Question 6

Formula for potassium chloride

Answer 6

KCl

Question 7

Formula for sodium chloride

Answer 7

NaCl

Question 8

Formula for magnesium oxide

Answer 8

MgO

Question 9

Formula for calcium carbonate

Answer 9

CaCO3

Question 10

Formula for sodium carbonate

Answer 10

NaCO3

Question 11

Formula for magnesium carbonate

Answer 11

MgCO3

Question 12

Formula for magnesium sulphate

Answer 12

MgSO4

Question 13

Formula for sodium hydroxide

Answer 13

NaOH

Question 14

Formula for magnesium hydroxide

Answer 14

Mg(OH)2

Question 15

Formula for hydrochloride acid

Answer 15

HCl

Question 16

Formula for nitric acid

Answer 16

HNO3

Question 17

Formula for sulphuric acid

Answer 17

H2SO4

Question 18

Give examples of bulk chemicals

Answer 18

Paper, soap & cleaners, glass,ammonia, sulphuric acid, chlorine, sodium hydroxide

Question 19

Give examples of fine chemicals

Answer 19

Prescription drugs, pigments, pesticides, food additives.

Question 20

On average how much sulphuric acid can be produced per day?

Answer 20

600 tonnes

Question 21

Give examples of pure acidic compounds which are solid

Answer 21

Citric acid

Tartaric acid

Question 22

Give examples of pure acidic compounds which are liquid

Answer 22

Sulphuric, nitric and ethanoic acid