CHEMISTRY QUIZ | EXAMIANS

Which is known as carbolic acid?

Acetic acid

Oxalic acid

Phenol

Ethanol

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The most abundant constituent of atmospheric air is :

Oxygen

Carbon

Hydrogen

Nitrogen

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The inexpensive and commonly used variety of glass is called soda glass.

is made using soda lime

is made using soda(sodium carbonate)

was used initially for making bottles of soda(carbonated drink)

was initially used for storing sodium carbonate

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The hottest part of the gas flame is known as

dark zone

blue zone

luminous zone

non-luminous zone

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In arc welding, Argon is used because of its

Low reactivity with metal

High flammability

High calorific value

Ability to lower the melting point of the metal

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The gas produced in marshy places due to decomposition of vegetation is

Carbon monoxide

Sulphur dioxide

Methane

Carbon dioxide

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"Paramagnetism" is the property of

Unpaired electrons

Completely filled electronics subshells

Paired electrons

Completely vacant electronic subshells

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Soap is prepared by boiling caustic soda with

Fats

Glycerine

Kerosene oil

Alcohol

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Alcohol prepared by the distillation of wood is :

Propyl alcohol

Ethyl alcohol

Glycerol

Methyl alcohol

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The graphite rods in the nuclear reactor

produce neutrons

react with U to release energy

undergo combustion which triggers the nuclear fission

convert fast moving neutrons into thermal neutrons

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