Chemistry The metal ion present in Vitamin B12 is Zinc Nickel Iron Cobalt Zinc Nickel Iron Cobalt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Coal fire Burning garbage Burning coal Steam engine Coal fire Burning garbage Burning coal Steam engine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Aluminium Paper Plastic D.T. Aluminium Paper Plastic D.T. ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Sodium dihydrogen phosphate Disodium hydrogen phosphate Phosphoric acid Sodium phosphate Sodium dihydrogen phosphate Disodium hydrogen phosphate Phosphoric acid Sodium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsion is a colloid of a Liquid in a liquid Liquid in a gas Gas in a liquid Gas in a solid Liquid in a liquid Liquid in a gas Gas in a liquid Gas in a solid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon monoxide Carbon dioxide Ozone Water vapour Carbon monoxide Carbon dioxide Ozone Water vapour ANSWER DOWNLOAD EXAMIANS APP