Chemistry What is used in storage batteries? Tin Zinc Lead Copper Tin Zinc Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Bauxite Nitrite Magnetite Lignite Bauxite Nitrite Magnetite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of TNT and charcoal Sulphur, sand and charcoal Sand and TNT Nitre, sulphur and charcoal TNT and charcoal Sulphur, sand and charcoal Sand and TNT Nitre, sulphur and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Cadmium Potassium Sodium Lithium Cadmium Potassium Sodium Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Need not be different Must be different Must be same Need not be same Need not be different Must be different Must be same Need not be same ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Cream and pudding Cream and cake Plum and pudding Plum and cake Cream and pudding Cream and cake Plum and pudding Plum and cake ANSWER DOWNLOAD EXAMIANS APP