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Chemistry

Chemistry
A colloidal system in which a liquid is dispersed in a liquid is called

Sol
Precipitate
Emulsion
Gel

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Chemistry
Which one of the following elements is used in the manufacture of safety matches?

Sodium
Silicon
Graphite
Phosphorus

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Chemistry
Sea weeds are important source of

Iodine
Bromine
Chlorine
Iron

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Chemistry
The nucleus of an atom consists of

electrons and protons
electrons and neutrons
All of these
protons and neutrons

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Chemistry
Acid rain is caused by

SO2 and particulates
CO2and CFCs
NO2and particulates
SO2 and NO2

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Chemistry
Among the following the hardest metal is

Tungsten
Gold
Iron
Platinum

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MORE MCQ ON Chemistry

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