Question

NOW your turn
CHOOSE THE CORRECT OPTION
1.
Calcium carbonate heated to form calcium oxide and carbon dioxide is an
example of
reaction.
(a) neutralisation
(b) combination
(c) displacement
(d) decomposition
Iron displacing copper to form ferrous sulphate is an example of
reaction.
2.
(a) redox
(b) combination
(c) displacement
(d) decomposition
3. Sodium and chlorine reacting to form sodium chloride, is an example of
(a) combination reaction
(b) reduction reaction
(c) displacement reaction
(d) decomposition reaction
4. Reaction in which new compound is formed by the exchange of radicals between
two compounds is called
(a) substitution reaction
(b) decomposition reaction
(c) double displacement reaction (d) combination reaction
5. The reaction in which an atom or ion gains electron is called
(a) oxidation reaction
(b) reduction reaction
(c) double displacement reaction (d) decomposition reaction
6. Loss of electrons happen in
reaction.
(a) oxidation
(b) substitution
(c) decomposition
(d) reduction​

Answer 1

Answer:

1. Decomposition

2. Composition

3. Combination Reaction

4. combination reaction

5. oxidation

6. reduction