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Chemistry

Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Diastase
Zymase
Maltase
Invertase

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Chemistry
Which of the following is not a method of preparing oxygen?

Electrolysis of water
Fractional distillation of liquid air
Decomposition of potassium permanganate
Decomposition of manganese dioxide

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Chemistry
The polymerisation of which often following is used in manufacturing of polythene in industry ?

Ethylene
Methane
Acetylene
Styrene

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Chemistry
Biofertilizers convert nitrogen to ________ .

Ammonia
Amino acids
Nitrogenase
Nitrates

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Chemistry
Which of the following molecules has a bond order of 2.5

HCL
F2
NO
CO

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Chemistry
The polymer used in making plastic crockery is

Nylon
Melamine
Decron
Bakelite

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MORE MCQ ON Chemistry

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