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Chemistry

Chemistry
The antiseptic compound present in dettol is

Cresol
Biothional
Enloroxylenol
Iodine

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Chemistry
Which of the following is used for refrigeration?

Phosphine
Chlorine
Freon
Sulphur dioxide

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Chemistry
Wax used for making candle is chemically a mixture of

Aliphatic hydrocarbons
Aliphatic and aromatic hydrocarbons
Cyclic hydrocarbons
Aromatic hydrocarbons

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Chemistry
The degree of dissociation of an electrolyte depends on

Atmospheric pressure
Dilution
Impurities
Method of dissolution

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Chemistry
In drinking water supply, which of the following treatments is not involved

Disinfection
Sedimentation
Softening
Coagulation

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Chemistry
Which of the following is used to remove rust stains on cloth?

Kerosene
Petrol
Lime
Oxalic acid solution

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