Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Bromine Magnesium Lead Barium Bromine Magnesium Lead Barium 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
Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 8.00 gram 1.00 gram 4 x 6.02 x 1023 gram 4.00 gram 8.00 gram 1.00 gram 4 x 6.02 x 1023 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Laughing Gas Anaesthetic Gas Tear Gas Noble Gas Laughing Gas Anaesthetic Gas Tear Gas Noble Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Noble gases Light metals Heavy metals Halogens Noble gases Light metals Heavy metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Na Ca Cs K Na Ca Cs K ANSWER DOWNLOAD EXAMIANS APP
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