Chemistry The atmospheric gas that is mainly responsible for Green House effect : Nitrogen Ozone Oxygen Carbondioxide Nitrogen Ozone Oxygen Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Oxygen Argon Krypton Nitrogen Oxygen Argon Krypton Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Proton Beta particles Positron Alpha particles Proton Beta particles Positron Alpha particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High calorific value Low reactivity with metal High flammability Ability to lower the melting point of the metal High calorific value Low reactivity with metal High flammability Ability to lower the melting point of the metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Zinc Copper Mercury Lead Zinc Copper Mercury Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Kidney damage Arthritis Eye disease Hair falling Kidney damage Arthritis Eye disease Hair falling ANSWER DOWNLOAD EXAMIANS APP
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