1. The exposure of silver chloride to sunlight for a long
duration turns grey due to
a) Formation of silver by decomposition of AgCl2
b)oxidation of AgCl2.
c)Sublimation of AgCl2
2.Pb+CuCl2-> PbCl2+Cu
The above reaction is an example of:
a)combination
b)double displacement
c)decomposition
d)displacement
3.When silver is exposed to air it gets a black coating of:
a)AgNO3
b)Ag20
c)Ag2s
d)Ag2C03
4.What type of chemical reactions take place when
electricity is passed through water
a) displacement
b)combination
c)decomposition
d)double displacement
5 which of the following is a thermal decomposition reaction
a 2H20-> 2H2+02
b) 2AgCI->2Ag+C12
c) ZnCO3->ZnO+CO2
d) H2+C12->2HCI
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Answer:
qwerty
Explanation:
Answered by
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Answer:
I don't know with the question
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