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Chemistry

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

0.4 mole
0.25 mole
0.2 mole
0.5 mole

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Chemistry
Which among the following is used as a catalyst in the production of high octane fuels?

H2SO4
HNO3
HCl
HF

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Chemistry
When formaldehyde and potassium hydroxide are heated, we get

Methane
Ethyl formate
Acetylene
Methyl alcohol

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Chemistry
The most abundant inert gas in the atmosphere is

Neon
Helium
Krypton
Argon

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Chemistry
Chemical name of bleaching powder is :

Calcium chloro hypochlorite
Calcium chlorate
Calcium bi chloride
Calcium hypochlorite

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Chemistry
In a Carbonyl group a carbon atom makes double bond with

None of these
Oxygen
Carbon
Hydrogen

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