Chemistry Dry powder fire extinguishers contain Sand and sodium carbonate Sand Sand and sodium bicarbonate Sand and potassium carbonate Sand and sodium carbonate Sand Sand and sodium bicarbonate Sand and potassium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Carbon dioxide Sulphur dioxide Helium Nitrogen Carbon dioxide Sulphur dioxide Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water cycle refers to Scientific management of water in areas excessively plagued with water-logging Constant movement of water from ocean to land and back to ocean once again Water distribution in relatively dry areas An integrated attempt to recycle water in relatively arid regions Scientific management of water in areas excessively plagued with water-logging Constant movement of water from ocean to land and back to ocean once again Water distribution in relatively dry areas An integrated attempt to recycle water in relatively arid regions ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Chlorine Nitrogen Oxygen Ozone Chlorine Nitrogen Oxygen Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Hydroxide Sodium Carbonate Sodium Peroxide Sodium Monoxide Sodium Hydroxide Sodium Carbonate Sodium Peroxide Sodium Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Proton Neutron Electron Hydrogen nucleus Proton Neutron Electron Hydrogen nucleus ANSWER DOWNLOAD EXAMIANS APP
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