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Chemistry

Chemistry
Detergents used for cleaning clothes and utensils contain

Sulphonates
Bicarbonates
Bismuthates
Nitrates

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Chemistry
Commonly used antiseptic 'Dettol' is a mixture of

O-chlorophenoxylenol + terepineol
O-cresol + terepineol
Chloroxylenol + terepineol
Phenol + terepineol

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Chemistry
Copper is refined by

Oxidation
Electrolysis
Roasting
Zone refining

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Chemistry
Carbon monoxide is an inflammable gas. Which one of the following is also inflammable?

Oxygen
Nitrogen
Helium
Hydrogen

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Chemistry
Gobar gas contains mainly :

Methane
Ethylene
Acetylene
Propylene

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Chemistry
Which of the following laser types is used in a laser printer?

Gas laser
Semiconductor laser
Dye laser
Excimer laser

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MORE MCQ ON Chemistry

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