Chemistry Atoms of different elements have Same atomic number and same electronic configuration Same number of electrons and neutrons Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration Same number of electrons and neutrons Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Formic acid Oxalic acid Acetic acid Citric acid Formic acid Oxalic acid Acetic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Coloured impurities Oxygen Nitrous oxide Nitrogen dioxide Coloured impurities Oxygen Nitrous oxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Ethanol Butane Methane Hydrogen Ethanol Butane Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Mental stimulant Tranquillizer Sedative Hallucinating substance Mental stimulant Tranquillizer Sedative Hallucinating substance ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in OF2 H2O (2) N2O C12O OF2 H2O (2) N2O C12O ANSWER DOWNLOAD EXAMIANS APP