Chemistry Ruby and sapphire are oxides of Tin Aluminium Copper Iron Tin Aluminium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Camphor Charcoal Coal-tar Diesel Camphor Charcoal Coal-tar Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is Cal2 CaBr2 Cacl2 CaF2 Cal2 CaBr2 Cacl2 CaF2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour milk contains Lactic acid Tartaric acid Citric acid Acetic acid Lactic acid Tartaric acid Citric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Noble gases Heavy metals Light metals Halogens Noble gases Heavy metals Light metals Halogens ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The action of ultraviolet rays on oxygen The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure ANSWER DOWNLOAD EXAMIANS APP
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