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Chemistry

Chemistry
Milk is

Gel
Emulsion
Suspension
Foam

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Chemistry
The heat value of combustion of Gasoline is

39400 kJ/kg
14600 kJ/kg
47000 kJ/kg
12600 kJ/kg

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Chemistry
The advantage of detergents over soaps is

Detergents are soluble in water
Detergents could not give much lather
Soaps give lather with only soft water
Detergents give lather even with hard water

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Chemistry
The gas used for artificial fruit ripening of green fruit is

Ethane
Ethylene
Methane
Acetylene

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Chemistry
Which one of the following metals pollutes the air of a city having large number of automobiles?

Chromium
Cadmium
Lead
Copper

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Chemistry
The new strain of bacteria produced by biotechnology in alcohol industry is

Escherichia coli
Pseudomonas putida
Bacillus subtilis
Saccharomyces cerevisiae

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MORE MCQ ON Chemistry

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