Chemistry Which of the inert gases can form compounds? Krypton Argon Xenon Helium Krypton Argon Xenon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Zone refining Electrolysis Roasting Oxidation Zone refining Electrolysis Roasting Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High polish High density, due to closed packing of atoms Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High polish High density, due to closed packing of atoms Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Magnetite Nitrite Lignite Bauxite Magnetite Nitrite Lignite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Threshold energy Internal energy Activation energy Free energy Threshold energy Internal energy Activation energy Free energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 200 100 500 50 200 100 500 50 ANSWER DOWNLOAD EXAMIANS APP
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