Chemistry The purest form of water is Rain water Ground water Distilled water Tap water Rain water Ground water Distilled water Tap water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is the sum of the number of protons and neutrons present in the nucleus always less than its atomic number always more than the atomic weight a fraction the sum of the number of protons and neutrons present in the nucleus always less than its atomic number always more than the atomic weight a fraction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Manganese Aluminum Copper Silver Manganese Aluminum Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Haematite Cryolite Calcite Bauxite Haematite Cryolite Calcite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Dioxin and benzene Carbon monoxide and nicotine Carbon monoxide and dioxin Carbon monoxide and benzene Dioxin and benzene Carbon monoxide and nicotine Carbon monoxide and dioxin Carbon monoxide and benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Dehydration Polymerisation Hydration and dissociation of water Dissociation of water Dehydration Polymerisation Hydration and dissociation of water Dissociation of water ANSWER DOWNLOAD EXAMIANS APP