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Subjects
Science CBSE
Class 10
Acid, bases and salts
Textbook based HOTS
17.
Multiple Choice Question Answer XVII
Exercise condition:
3
m.
1
.
Which is used in baking powder
Na2CO3
NaHCO3
CaOCl2
HCl
2
.
Which is used in fire extinguisher
Plaster of Paris
CaSO4H2O
NaHCO3
CaCO3
3
.
Which of the following is used in photography
NaHCO3
Na2CO3
NaOH
Na2SO4
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