Chemistry The chemical formula of the laughing gas is N2O N2O3 NO2 NO N2O N2O3 NO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Silicon Nitrogen Phosphorous Potassium Silicon Nitrogen Phosphorous Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Methane Acetylene Ethylene Styrene Methane Acetylene Ethylene Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is Cacl2 CaBr2 Cal2 CaF2 Cacl2 CaBr2 Cal2 CaF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a bond is formed between two atoms, the energy of the system will Increase Remain the same May increase or decrease Decrease Increase Remain the same May increase or decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of vinegar is Formic acid Salycylic acid Oxalic acid Acetic acid Formic acid Salycylic acid Oxalic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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