Question

Consider the following
a Reaction of Cuso. (aq) and Fe (s)
b Reaction of Pb (s) and CuCl2 (aq)
C Reaction of Ca(OH)2 (aq) and CO2 (9)
d Reaction of Bacis (aq) and Na SO4 (aq)
The reaction(s) in which a white coloured solid is obtained is/are

Answer 1

Answer:

b Reaction of Pb (s) and CuCl2 (aq) C Reaction of Ca(OH)2 (aq) and CO2 (9) d Reaction of Bacis (aq) and Na SO4 ( aq

Answer 2

The reaction of $Ca(OH)_{2}$(aq) and$CO_{2}$(g).

Option (c) is the correct answer.

• Out of the four options, only option (c) gives a reaction that leads to the formation of a white-colored substance.
• When calcium hydroxide reacts with carbon dioxide and forms a white precipitate of Calcium Carbonate.                    
• It is a well-known reaction that when lime water reacts with carbon dioxide it turns milky and gives a white precipitate.

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