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Chemistry

Chemistry
What are the number of moles of CO2 which contains 16 g of oxygen?

0.4 mole
0.5 mole
0.25 mole
0.2 mole

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Chemistry
The process which does not evolve CO2 in air is

Burning
Organic delay
Photosynthesis
Breathing

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Chemistry
Magnalium is an alloy of

Manganese and Magnesium
Aluminium and Magnesium
Aluminium and Zinc
Magnesium and Tin

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Chemistry
KMnO4 can be used as

Fertilizer
Pesticide
Disinfectant
Insecticide

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Chemistry
Total number of elements in the Periodic table

112
118
127
115

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Chemistry
Which of the following is biodegradable ?

D.T.
Plastic
Paper
Aluminium

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MORE MCQ ON Chemistry

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