Chemistry The lightest gas which is non-inflammable is Helium Oxygen Nitrogen Hydrogen Helium Oxygen Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Methane Carbon di-oxide Ethane Carbon monoxide Methane Carbon di-oxide Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Earthen vessel Copper vessel Aluminium vessel Glass vessel Earthen vessel Copper vessel Aluminium vessel Glass vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Absorbent Solvent Adsorbent Coagulant Absorbent Solvent Adsorbent Coagulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Inert gases are Miscible with water Chemically very active Not stable Chemically unreactive Miscible with water Chemically very active Not stable Chemically unreactive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Organic solvents industry Paint manufacturing industry Electroplating industry Coal mines Organic solvents industry Paint manufacturing industry Electroplating industry Coal mines ANSWER DOWNLOAD EXAMIANS APP