Chemistry Gobar gas mainly contains Carbon dioxide Methane Carbon monoxide Hydrogen sulphide Carbon dioxide Methane Carbon monoxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? NH4NO3 CaCN2 Urea Ca(CN)2 NH4NO3 CaCN2 Urea Ca(CN)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Al2O3 CaO CaSO4, 2H2O Na2O + K2O Al2O3 CaO CaSO4, 2H2O Na2O + K2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Hydrogen Carbon monoxide Methane Air Hydrogen Carbon monoxide Methane Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Copper Tin Zinc Lead Copper Tin Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of H2S Fungicide H2SO4 SO2 H2S Fungicide H2SO4 SO2 ANSWER DOWNLOAD EXAMIANS APP
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