Chemistry The luster of a metal is due to presence of free electrons its high density its high polishing its chemical inertness presence of free electrons its high density its high polishing its chemical inertness ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Zirconium Plutonium Uranium Thorium Zirconium Plutonium Uranium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Elements Polymers Hydrocarbons Salts Elements Polymers Hydrocarbons Salts ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Carbon Iron Nitrogen Oxygen Carbon Iron Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Chlorine Freon Phosphine Sulphur dioxide Chlorine Freon Phosphine Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Coal Petroleum Natural Gas Firewood Coal Petroleum Natural Gas Firewood ANSWER DOWNLOAD EXAMIANS APP
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