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Subjects
Science CBSE
Class 10
Acid, bases and salts
Textbook based HOTS
13.
Multiple Choice Question Answer XIII
Exercise condition:
3
m.
1
.
When zinc reacts with sodium hydroxide, the products formed are
Sodium zincate and hydrogen
Sodium zincate and oxygen
Sodium zincate and water
Zinc hydroxide and sodium
2
.
pH of sodium carbonate (\(Na_2CO_3\)) solution will be
< 7
7
> 7
1
3
.
Highly active metals dissolve in water gives __________ gas in the formation of their respective basic oxides.
Nitrogen
Oxygen
Hydrogen
Carbon Dioxide
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