Chemistry Which of the following is not a noble gas ? Helium Argon Neon Hydrogen Helium Argon Neon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Carbon Hydrogen Oxygen Helium Carbon Hydrogen Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 1 : 16 : 2 2 : 16 : 2 1 : 1 : 1 2 : 16 : 1 1 : 16 : 2 2 : 16 : 2 1 : 1 : 1 2 : 16 : 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A non-electronic conductor is Iron Gas Carbon None of these Copper Sulphate Iron Gas Carbon None of these Copper Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Krypton Argon Oxygen Nitrogen Krypton Argon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More stable Non-combustible Lighter than hydrogen More abundant than hydrogen More stable Non-combustible Lighter than hydrogen More abundant than hydrogen ANSWER DOWNLOAD EXAMIANS APP
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