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Chemistry

Chemistry
Alum stops bleeding in minor cuts because of

Solvation
Coagulation
Emulsion
Dialysis

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Chemistry
Cinnabar is an ore/mineral of

Mercury
Molybdenum
Lead
Manganese

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Chemistry
Type metal used in printing press is an alloy of

Lead and zinc
Lead and antimony
Lead and bismuth
Lead and copper

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Chemistry
Cement is formed by strongly heating a mixture of

Chalk and graphite
Limestone and clay
Limestone and graphite
Clay and graphite

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Chemistry
Electric bulbs are filled with :

Carbon dioxide
Nitrogen
Argon
Oxygen

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Chemistry
Of the following compounds of calcium, the one having highest covalent character is

CaBr2
Cacl2
Cal2
CaF2

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