Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.658 0.727 0.305 0.509 0.658 0.727 0.305 0.509 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 1 3 2 4 1 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Bauxite Dolomite Copper Lignite Bauxite Dolomite Copper Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Zinc Mercury Lead Copper Zinc Mercury Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one among the following is not a mixture? Steel Glass Brass Graphite Steel Glass Brass Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is An antioxidant A catalyst in burning fossil fuel A reductant An antiknock compound An antioxidant A catalyst in burning fossil fuel A reductant An antiknock compound ANSWER DOWNLOAD EXAMIANS APP