Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Oxalic acid Benzoic acid Phthalic acid Cinnamic acid Oxalic acid Benzoic acid Phthalic acid Cinnamic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Bohr and Rutherford Alfred Nobel Faraday Volta Bohr and Rutherford Alfred Nobel Faraday Volta ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is nitrogen carbon dioxide oxygen hydrogen nitrogen carbon dioxide oxygen hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Aluminium Iron Copper Zinc Aluminium Iron Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 0.12 gms 1.2 gms 12 gms 120 gms 0.12 gms 1.2 gms 12 gms 120 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Oxygen fertilization effect Global warming Carbon dioxide ferilization effect Depletion of ozone layer in the stratosphere Oxygen fertilization effect Global warming Carbon dioxide ferilization effect Depletion of ozone layer in the stratosphere ANSWER DOWNLOAD EXAMIANS APP
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