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Chemistry

Chemistry
Mixture can be

Homogeneous
Heterogeneous
Both A and B
Pure substance

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Chemistry
Chemical name of Gammaxane is

Aniline
Toluene
Chloro benzene
Benzene hexachloride

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Chemistry
The addition of gypsum to portland cement helps in :

Rapid setting of cement
Preventing rapid setting of cement
Increasing the strength of cement
Reduction in the cost of cement

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Chemistry
Diamond is harder than graphite because of :

Tetrahedral structure of diamond
None of these
Difference of crystalline structures
Difference in layers of atoms

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Chemistry
The element which is used for vulcanizing rubber

Phosphorus
Sulphur
Silicon
Bromine

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Chemistry
What material is used to make electric heater coil ?

Copper
Iron
Nichrome
Silver

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MORE MCQ ON Chemistry

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