Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Aluminium Zinc Iron Copper Aluminium Zinc Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Bromine Flourine Chlorine Iodine Bromine Flourine Chlorine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 3 1 2 4 3 1 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Sulphur Nitrogen Chlorine Fluorine Sulphur Nitrogen Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O2 and O3 O3 and N2 Oxides of N and S O2 and N2 O2 and O3 O3 and N2 Oxides of N and S O2 and N2 ANSWER DOWNLOAD EXAMIANS APP
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