Chemistry Exam

Question 1

Reactants

Answer 1

Left side of equation

Question 2

Products

Answer 2

Right side of equation

Question 3

Skeletal Equation

Answer 3

unbalanced equation

Question 4

metal + non-metal

Answer 4

ionic compound

Question 5

metal oxide + carbon dioxide

Answer 5

metal carbonate

Question 6

metal oxide + water

Answer 6

metal hydroxide

Question 7

non-metal oxide + water

Answer 7

acid

Question 8

metal chloride + oxygen

Answer 8

metal chlorate

Question 9

ionic compound

Answer 9

metal + non-metal

Question 10

metal carbonate

Answer 10

metal oxide + carbon dioxide

Question 11

metal hydroxide

Answer 11

metal oxide + water

Question 12

acid

Answer 12

non-metal oxide + water

Question 13

metal chlorate

Answer 13

metal chloride + oxygen

Question 14

metal bicarbonate
Mg(HCO₃)₂

Answer 14

carbon dioxide + water + metal carbonate
CO₂ + H₂O + MgCO₃

Question 15

metal nitrate
2NaNO₃

Answer 15

metal nitrite + oxygen
2NaNO₂ + O₂

Question 16

Combustion Reaction

Answer 16

compound or element reacting with oxygen

Question 17

Complete Combustion

Answer 17

• only in PRESENCE of sufficient oxygen

Hydrocarbon + Oxygen gas -> Carbon dioxide gas + water

Question 18

Incomplete Combustion

Answer 18

• occurs in the ABSENCE of sufficient oxygen

Hydrocarbon + Oxygen gas -> Carbon dioxide gas + water vapour + solid carbon + carbon monoxide