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Chemistry

Chemistry
One of the constituents of tear gas is

Ethane
Ether
Ethanol
Chloropicrin

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

NO
CO
HCL
F2

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Chemistry
Which of the following methods is used in determining the number average molar mass of a macromolecule

Sedimentation equilibrium
Light scattering
Osmotic pressure
Viscosity

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Chemistry
The most abundant element in the earth’s atmosphere is

Oxygen
Argon
Krypton
Nitrogen

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Chemistry
For a spontaneous chemical process, the free energy change is

Depends on whether the reaction is exothermic or endothermic
Zero
Positive
Negative

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Chemistry
An emulsion is a colloid of a

Gas in a solid
Liquid in a gas
Liquid in a liquid
Gas in a liquid

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