Question

27) State the type of chemical reaction and write
the balanced equation for the following
reactions:
(a) A magnesium wire burnt in air
(b) Heating of limestone
(c) Silver bromide exposed to sunlight
(d) Electricity passed through water
(e) Burning of natural gas​

Answer 1

Answer:

a) Combination reaction: 2Mg+O

2

→2MgO

b) Decomposition reaction: CaCO

3 →CaO+CO 2

c) Decomposition reaction: 2AgBr→2Ag+Br 2

d) Decomposition reaction: 2H 2 O→2H 2+O 2

e) Combination reaction: NH 3+HCl→NH 4Cl