Chemistry Petroleum consists of a mixture of Carbides Hydrocarbons Carbohydrates Carbonates Carbides Hydrocarbons Carbohydrates Carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? NH4NO3 Urea CaCN2 Ca(CN)2 NH4NO3 Urea CaCN2 Ca(CN)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Water Carbon dioxide Oxides of mineral elements Carbonates from soil Water Carbon dioxide Oxides of mineral elements Carbonates from soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 8, 2 2, 8, 10 2, 10, 8 2, 6, 8, 4 2, 8, 8, 2 2, 8, 10 2, 10, 8 2, 6, 8, 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Element 106 was discovered by Lawrence Kurchatove Rutherford Seaborg Lawrence Kurchatove Rutherford Seaborg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O2 and O3 O3 and N2 O2 and N2 Oxides of N and S O2 and O3 O3 and N2 O2 and N2 Oxides of N and S ANSWER DOWNLOAD EXAMIANS APP