Chemistry Diamond is harder than graphite because of : Tetrahedral structure of diamond None of these Difference of crystalline structures Difference in layers of atoms Tetrahedral structure of diamond None of these Difference of crystalline structures Difference in layers of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Salts Elements Hydrocarbons Polymers Salts Elements Hydrocarbons Polymers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Ammonium nitrate Urea Ammonium sulphate Superphosphate Ammonium nitrate Urea Ammonium sulphate Superphosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main use of salt in the diet is to ease the process of cooking produce in small amounts the hydrochloric acid required for the digestion of food increase the solubility of food particles in water make the taste of food better ease the process of cooking produce in small amounts the hydrochloric acid required for the digestion of food increase the solubility of food particles in water make the taste of food better ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? Urea Ca(CN)2 NH4NO3 CaCN2 Urea Ca(CN)2 NH4NO3 CaCN2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 500 50 100 200 500 50 100 200 ANSWER DOWNLOAD EXAMIANS APP
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