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Chemistry

Chemistry
Sour milk contains

Acetic acid
Citric acid
Lactic acid
Tartaric acid

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Chemistry
Which of the following is the best fuel in terms of energy released per gram of fuel?

Methane
Hydrogen
Butane
Ethanol

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Chemistry
The heat energy produced when the human body metabolises 1 gram of fat is

39 KJ
29 KJ
30 KJ
1 KJ

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Chemistry
The hydronium ion is

H2+
H3O+
H+
HO -

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Chemistry
Total number of elements in the Periodic table

127
112
118
115

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Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Invertase
Maltase
Diastase
Zymase

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MORE MCQ ON Chemistry

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