Chemistry The purest form of water in nature is Sea water River water Lake water Rain water Sea water River water Lake water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Floatation Elasticity Viscosity Surface tension Floatation Elasticity Viscosity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 neutron only 1 proton + 2 neutron 1 proton only 1 electron only 1 neutron only 1 proton + 2 neutron 1 proton only 1 electron only ANSWER DOWNLOAD EXAMIANS APP
Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Argon Helium Nitrogen Hydrogen Argon Helium Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Isobutane Butane Carbon dioxide Methane Isobutane Butane Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Firewood Coal Petroleum Natural Gas Firewood Coal Petroleum Natural Gas ANSWER DOWNLOAD EXAMIANS APP
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