Chemistry, asked by vedansh527, 9 months ago

How will you indicate the following effects in a chemical equation?
(a) Evolution of a gas
(b) Formation of a precipitate

Answers

Answered by Ashish2716
0

Answer:

evolution of gas.......

Answered by Dɪʏᴀ4Rᴀᴋʜɪ
6

1. arrow mark upward in direction Ca + 2HCl -----------> CaCl2 + H2 (↑) (arrow mark upward in direction)

2. arrow mark downward in direction Pb(NO3)2 + 2KI gives 2KNO3 + PbI2 (↓) (arrow mark downward in direction )

HOPE SO IT IS HELPFUL..✌️❣️..

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