Chemistry Which of the following is not a chemical reaction'? Digestion of food Burning of coal Burning of paper Conversion of water into steam Digestion of food Burning of coal Burning of paper Conversion of water into steam ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Siderite Pyrolusite Galena Magnetite Siderite Pyrolusite Galena Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Dolomite Cinnabar Haematite Bauxite Dolomite Cinnabar Haematite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in dating archaeological findings ? 818O 614C 92235U 13H 818O 614C 92235U 13H ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid in excess ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Tap water Distilled water Rain water Ground water Tap water Distilled water Rain water Ground water ANSWER DOWNLOAD EXAMIANS APP
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