Chemistry The mass number of a nucleus is always more than the atomic weight a fraction always less than its atomic number the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight a fraction always less than its atomic number the sum of the number of protons and neutrons present in the nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is NO2 N2O3 N2O NO NO2 N2O3 N2O NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methyl red Methyl orange Methylene blue Phenolphthaline Methyl red Methyl orange Methylene blue Phenolphthaline ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Breathing Burning Organic delay Photosynthesis Breathing Burning Organic delay Photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common refrigerant in domestic refrigerator is Freon Nitrogen Neon Oxygen Freon Nitrogen Neon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Increases Cannot be predicted Remains same Decreases Increases Cannot be predicted Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP