Chemistry Gold dissolves in Acetic acid Nitric acid Aqua-regia Hydrochloric acid Acetic acid Nitric acid Aqua-regia Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Coal-tar Diesel Camphor Charcoal Coal-tar Diesel Camphor Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is H2CO3 - HCO3 NH2CONH2 - NH2CONH+ CH3COOH - CH3COO- H2CO3 - CO32- H2CO3 - HCO3 NH2CONH2 - NH2CONH+ CH3COOH - CH3COO- H2CO3 - CO32- ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Iron Copper Nichrome Silver Iron Copper Nichrome Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Petroleum Wool wax Coal tar Plant gums Petroleum Wool wax Coal tar Plant gums ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to ? and ? rays X-rays Positive rays ?-rays ? and ? rays X-rays Positive rays ?-rays ANSWER DOWNLOAD EXAMIANS APP
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