Chemistry The gas that usually causes explosions in coal mines is Air Carbon monoxide Hydrogen Methane Air Carbon monoxide Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomers of dacron are Decanone and decanol Ethylene glycol and terephthalic acid Ethylene glygol and phthalic acid Decane and decanol Decanone and decanol Ethylene glycol and terephthalic acid Ethylene glygol and phthalic acid Decane and decanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 1 3 4 2 1 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Phthalic acid Benzoic acid Oxalic acid Cinnamic acid Phthalic acid Benzoic acid Oxalic acid Cinnamic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Galena Mica Feldspar Quartz Galena Mica Feldspar Quartz ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals causes Itai-Itai disease ? Chromium Copper Cobalt Cadmium Chromium Copper Cobalt Cadmium ANSWER DOWNLOAD EXAMIANS APP
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