Chemistry MCQS for Class 10
Urea is nitrogenous fertilizer. It consist of nitrogen.
56.60%
46.60%
36.60%
26.60%
Which one of the following organic compound is found is gasoline?
C2H4
C7H10
C3H8
C12H26
Ammonical brine is prepared by dissolving ammonia gas in.
NaCl
Na2SO4
CaCO3
CaCl2
How many percentage blister copper is pure?
98%
75%
100%
95%
Catalyst used in Haber’s process is:
Ni
Cu
Zn
Fe
Which one of the following is not a fraction of petroleum?
Kerosene oil
Diesel oil
Petrol
Alcohol
When NaHCO3 is heated it forms.
Ca(OH)2
CO2
CaO
CaCO3
Manufacturing of urea involves:
2 steps
5 steps
4 steps
3 steps
In solvay’s process slaked lime is used to:
Prepare CO2
Prepare quick lime
Recover ammonia
Form Na2CO3
The number of carbon atoms present in fuel oil.
14-18
15-18
17-18
16-18
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