Question

2. Identify the type of chemical reaction
taking place in each of the following.
(i) Barium chloride solution is mixed
with copper sulphate solution and a
white precipitate is observed.
(ii) On heating copper powder in air in a
China dish, the surface of copper
powder turns black.
(iii) On heating green coloured ferrous
sulphate crystals, reddish brown solid
is left and smell of a gas having odour
of burning sulphur is experienced.
(iv) Iron nails when left dipped in blue
copper sulphate solution become
brownish in colour and the blue
colour of copper sulphate fades away.
(v) Quicklime reacts vigorously with
water releasing a large amount of
heat.
niration​

Answer 1

Answer:

identify the type of chemical reaction taking place in each of the following

Answer 2

Answer:

1. Double displacement and precipitation reaction.

2. Combination Reaction.

3.Thermal Decomposition.

4. Displacement Reaction.

5. Combination and Exothermic Reaction.

Explanation:

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