Chemistry Total number of elements in the Periodic table 115 118 127 112 115 118 127 112 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Higgs-boson Anions Isotopes Cations Higgs-boson Anions Isotopes Cations ANSWER DOWNLOAD EXAMIANS APP
Chemistry Denatured spirit is ethanol mixed with Pyridine Water Petrol Kerosene Pyridine Water Petrol Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Steam engine Burning garbage Coal fire Burning coal Steam engine Burning garbage Coal fire Burning coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Sulphur dioxide Chlorofluorocarbons Carbon dioxide Nitrous oxide Sulphur dioxide Chlorofluorocarbons Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting N2 into nitrate N2into nitrite Ammonia into N2 Ammonia into nitrite N2 into nitrate N2into nitrite Ammonia into N2 Ammonia into nitrite ANSWER DOWNLOAD EXAMIANS APP
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