Chemistry Which gas emitted by power stations causes acid rain? Helium Carbon dioxide Nitrogen Sulphur dioxide Helium Carbon dioxide Nitrogen Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Sulphuric acid is consumed Lead sulphate is consumed Lead is formed SO2 is evolved Sulphuric acid is consumed Lead sulphate is consumed Lead is formed SO2 is evolved ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is One Three Two Zero One Three Two Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from An insect A fungus A seed plant A bacterium An insect A fungus A seed plant A bacterium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium sulphide Aluminium phosphide Hydrogen sulphide Hydrogenated wafers Aluminium sulphide Aluminium phosphide Hydrogen sulphide Hydrogenated wafers ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Softening Disinfection Coagulation Sedimentation Softening Disinfection Coagulation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
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