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Chemistry

Chemistry
The first organic compound synthesised in the laboratory was

Uric acid
Lactic acid
Urea
Glucose

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Chemistry
Silver halides are used in photographic plates because they are

Oxidised in air
Totally colourless
Soluble in hyposolution
Reduced by light

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Chemistry
"Paramagnetism" is the property of

Completely filled electronics subshells
Paired electrons
Completely vacant electronic subshells
Unpaired electrons

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Chemistry
Zone refining is used for the purification of

Ge
Ag
Au
Cu

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Chemistry
London smog is found in

Summer during morning time
Winter during day time
Winter during morning time
Summer during day time

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Chemistry
Which of the following is the best fuel in terms of energy released per gram of fuel?

Hydrogen
Ethanol
Methane
Butane

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MORE MCQ ON Chemistry

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