Chemistry Which one of the following gases has the highest calorific value? Coal gas Natural gas Water gas Indane gas Coal gas Natural gas Water gas Indane gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 2 0.05 0.01 1 2 0.05 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? Helium None of these Chlorine Nitrogen Helium None of these Chlorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Oxygen and Iron Silicon and Aluminium Silicon and Iron Oxygen and Silicon Oxygen and Iron Silicon and Aluminium Silicon and Iron Oxygen and Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Cinnabar Dolomite Bauxite Haematite Cinnabar Dolomite Bauxite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Copper Zinc Iron Aluminium Copper Zinc Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
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