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Chemistry

Chemistry
Mark the compound which possess ionic, covalent and coordinate bonds.

NH4Cl
SO2
SO3
H2O

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Chemistry
Two moles of an ideal gas expand freely into vacuum. The work done by the gas is

Infinity
2J
4J

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Chemistry
Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ?

Ethane
Propane
Butane
Methane

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Chemistry
The least preferred technique in the disposal of Municipal Solid Waste is

Land filling
Composting
Incineration
Bricketting

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Chemistry
Smoke is formed due to

Gas dispersed in gas
Solid dispersed in gas
Solid dispresed in liquid
Gas dispresed in solid

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Chemistry
Silver gets corroded due to ________ in air.

Oxygen
Carbon dioxide
Nitrogen
Hydrogen Sulphide

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