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Chemistry

Chemistry
Which of the following is an iron ore ?

Bauxite
Lignite
Nitrite
Magnetite

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Chemistry
Which of the following laser types is used in a laser printer?

Dye laser
Gas laser
Excimer laser
Semiconductor laser

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Chemistry
Calcium salts used as fertilizer is :

Calcium Cyanide
Calcium Sulphate
Calcium Carbide
Calcium Carbonate

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Chemistry
Nucleons are regarded as composites sub-particles known as

Mesons
Photons
Leptons
Quarks

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Chemistry
Emulsifier is an agent which

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

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Chemistry
Entropy of Universe is always

Constant
Decreasing
Zero
Increasing

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MORE MCQ ON Chemistry

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