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Chemistry

Chemistry
Which is a natural colloid ?

Sodium chloride
Urea
Blood
Cane-sugar

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Chemistry
Synthetic detergents are prepared from

Potassium salts of higher fatty-acids
Sodium salts of higher fattyacids
Hydrocarbons of petroleum
Glycerides

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Chemistry
Which among the following is liquid non-metal ?

Water
Bromine
Alcohol
Mercury

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Chemistry
The substance most commonly used as a food preservative is

Sodium salt of benzoic acid
Sodium carbonate
Acetic acid
Tartaric acid

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Chemistry
Which of the following is used as non-stick coating for cooking utensils?

Teflon
Perspex
Polystyrene
Styrofoam

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Chemistry
Which one is the simplest form of alkane

Butane
Propane
Decane
Methane

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MORE MCQ ON Chemistry

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