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Science TNSB Mentoring
Class 9
Acids, bases and salts
Salts: Classification, hydration, and applications
3.
Classification of salts
Question:
3
m.
1
.
Acids turn blue litmus paper to
green
orange
red
2
.
Since metal carbonate and metal bicarbonate are basic, they react with acids to give salt and water with the liberation of
\(NO_2\)
\(CO_2\)
\(SO_2\)
3
.
The hydrated salt of copper sulphate has __________ colour.
white
blue
red
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