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Chemistry

Chemistry
Which one of the following does not contain Silver ?

German Silver
Ruby Silver
Lunar Caustic
Horn Silver

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Chemistry
The purest form of water is

Distilled water
Tap water
Rain water
Ground water

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Chemistry
Which of the following is not a precious/semi-precious stone?

Sapphire
Emerald
Ruby
Pearl

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Chemistry
KMnO4 can be used as a/an

Insecticide
Fertiliser
Disinfectant
Pesticide

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

Light scattering
Viscosity
Sedimentation equilibrium
Osmotic pressure

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Chemistry
Emulsifier is an agent which

Aids the flocculation of emulsion
Homogenizes the emulsion
Accelerates the dispersion
Stabilizes an emulsion

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