Grade VIII
DEPARTMENT OF CHEMISTRY
Quiz: Types of Reactions
Marks: 10
1. If two substances react and the temperature of the mixture increases, the reaction is
a) Endothermic
b) Not one that produces anything new
c) One that needs a catalyst
d) Exothermic
2. When carbon dioxide gas reacts with water
a) A strong base is produced
b) The carbon and oxygen atoms disappear
c) An acid is produced
d) More carbon and oxygen atoms are produced
3. The respiration process during which glucose undergoes slow combustion by combining with
oxygen in the cells of our body to produce energy is a kind of:
a. Exothermic process
b. Endothermic process
c. Reversible process
d. Physical process
4. The neutralization reaction between an acid and a base is a type of:
a. Displacement reaction
b. Double displacement reaction
c. Addition reaction
d. Decomposition reaction
5. The product of a combination reaction is Ba(OH)2. If one reactant was H2O what was the other
reactant?
a) Ba2O
b) BaO
c) BaH
d) BaO2
6. Which of the following is TRUE regarding a precipitation reaction.
a) Both products must be soluble in water
b) At least one of the products will be insoluble in water
c) Heat is required
d) Electrons are gained and lost
7. Non-metallic oxides are formed when; one of the reactants is _____.
a) hydrogen
b) nitrogen
c) oxygen
d) a metal
8. Metallic oxides react both with acids as well as bases to produce salt and water.
a) acidic oxides
b) basic oxides c) neutral oxides
d) amphoteric oxides
9. The products of a combustion reaction do NOT include _____.
a) water
b) carbon dioxide
c) carbon monoxide
d) hydrogen
10. When crystals of lead nitrate are heated strongly in a dry test tube
a) Crystals immediately melt
b) A brown residue is left
c) White fumes appear in the tube
d) A yellow residue is left