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Chemistry

Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Diastase
Maltase
Zymase
Invertase

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Chemistry
An electric iron has a heating element made of :

Copper
Zinc
Nichrome
Tungsten

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Chemistry
London smog is found in

Summer during day time
Summer during morning time
Winter during morning time
Winter during day time

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Chemistry
The common refrigerant in domestic refrigerator is

Nitrogen
Neon
Freon
Oxygen

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Chemistry
Which one of the following statements is not correct? Vulcanisation of rubber makes it

Chemical resistant
Strong and hard
Withstand higher temperatures
Soft and flexible

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Chemistry
The metal that is usually extracted from sea water is

Ca
K
Mg
Na

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MORE MCQ ON Chemistry

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