Chemistry MCQS for Class 10
Aromatic compounds are given this name because of;
slippery touch they have
smell they have
sour taste they have
bitter taste they have
The strong heating of coal in the absence of air called.
Carbonization
Catenation
Destructive Distiation
Fractional Distilation
Wood contain the amount of carbon.
60%
80%
40%
70%
Pitch is black residue of.
Coal
Coal tar
Coal gas
Coke
The strong heating of coal in the absence of air is called.
All
Fractional distillation
Destructive distillation
Carbonization
Petroleum is refined by
Dry distillation
Fractional distillation
Simple distillations
Destructive distillation
Vital force theory was rejected by.
Drawin
Wohler
Jabir Bin Hayan
Berzellius
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