Chemistry Gunpowder consits of a mixture of Sulphur, sand and charcoal TNT and charcoal Sand and TNT Nitre, sulphur and charcoal Sulphur, sand and charcoal TNT and charcoal Sand and TNT Nitre, sulphur and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand Sand and sodium bicarbonate Sand and potassium carbonate Sand and sodium carbonate Sand Sand and sodium bicarbonate Sand and potassium carbonate Sand and sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Bauxite Magnetite Siderite Haematite Bauxite Magnetite Siderite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc has a higher melting point than tin Zinc is costlier than tin Zinc is more reactive than tin Zinc is less reactive than tin Zinc has a higher melting point than tin Zinc is costlier than tin Zinc is more reactive than tin Zinc is less reactive than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Sodium carbonate Alum Potassium Permangante Lime Sodium carbonate Alum Potassium Permangante ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of lemon juice is expected to be Nothing can be predicted Less than 7 Equal to 7 More than 7 Nothing can be predicted Less than 7 Equal to 7 More than 7 ANSWER DOWNLOAD EXAMIANS APP
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