Chemistry Which of the following is not a chemical reaction'? Burning of paper Digestion of food Conversion of water into steam Burning of coal Burning of paper Digestion of food Conversion of water into steam Burning of coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Gold Iron Copper Silver Gold Iron Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Coagulant Adsorbent Absorbent Solvent Coagulant Adsorbent Absorbent Solvent ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Magnetite Limonite Haematite Siderite Magnetite Limonite Haematite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Ozone and carbon dioxide Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Ozone and carbon dioxide Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen ANSWER DOWNLOAD EXAMIANS APP
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