Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Magnesium None of these Manganese Calcium Magnesium None of these Manganese Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Will increase four-fold Remains unchanged Will be doubled Will be reduced to half Will increase four-fold Remains unchanged Will be doubled Will be reduced to half ANSWER DOWNLOAD EXAMIANS APP
Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Corrosion Asphyxiation Cancer Bronchitis Corrosion Asphyxiation Cancer Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Glass vessel Aluminium vessel Copper vessel Earthen vessel Glass vessel Aluminium vessel Copper vessel Earthen vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is a : Liquid non-metal Liquid metal Solid metal Solid non-metal Liquid non-metal Liquid metal Solid metal Solid non-metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in Monazite sand ? Uranium Potassium Thorium Sodium Uranium Potassium Thorium Sodium ANSWER DOWNLOAD EXAMIANS APP
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