Chemistry Which of the following is not a precious/semi-precious stone? Pearl Sapphire Emerald Ruby Pearl Sapphire Emerald Ruby ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 2 1 : 16 : 2 1 : 1 : 1 2 : 16 : 1 2 : 16 : 2 1 : 16 : 2 1 : 1 : 1 2 : 16 : 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Evaporation Sedimentation Magnetization Sublimation Evaporation Sedimentation Magnetization Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Coke Graphite Carbon black Coal Coke Graphite Carbon black Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Electrons Protons Positrons Neutrons Electrons Protons Positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Anthracite Peat Bituminous Lignite Anthracite Peat Bituminous Lignite ANSWER DOWNLOAD EXAMIANS APP
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