Chemistry Which of the following is used in making smoke bombs? Carbon Phosphorus Hydrogen Sulphur Carbon Phosphorus Hydrogen Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Carbon dioxide Isobutane Butane Methane Carbon dioxide Isobutane Butane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has High bond dissociation energy High nuclear charge Smaller atomic radius Stable half filled 2p sub level High bond dissociation energy High nuclear charge Smaller atomic radius Stable half filled 2p sub level ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ The same atomic number and the atomic mass Different atomic numbers and different atomic mass The same atomic number but different atomic masses Different atomic numbers and the same atomic mass The same atomic number and the atomic mass Different atomic numbers and different atomic mass The same atomic number but different atomic masses Different atomic numbers and the same atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : H2O2 Alcohol Petrol Oxalic acid H2O2 Alcohol Petrol Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Interveinal necrotic spots on leaves appear due to SO2injury NO2injury HF injury O3injury SO2injury NO2injury HF injury O3injury ANSWER DOWNLOAD EXAMIANS APP