General Science Which of the following does not contain a coinage metal? Copper and Silver Copper and Gold Silver and Gold Zinc and Gold Copper and Silver Copper and Gold Silver and Gold Zinc and Gold ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following are the ingredients of gun metal? Iron and Tin Iron, Zinc and Titanium Copper, Tin and Zinc Iron, Brass and Tin Iron and Tin Iron, Zinc and Titanium Copper, Tin and Zinc Iron, Brass and Tin ANSWER DOWNLOAD EXAMIANS APP
General Science Permanent hardness of water may be removed by the addition of Lime Alum Sodium Carbonate Potassium Permanganate Lime Alum Sodium Carbonate Potassium Permanganate ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is a non metal that remains liquid at room temperature? Phosphorous Helium Chlorine Bromine Phosphorous Helium Chlorine Bromine ANSWER DOWNLOAD EXAMIANS APP
General Science What are the soaps? Mixture of glycerol and alcohols Sodium or potassium salts of heavier fatty acids Salts of silicates Esters of heavy fatty acids Mixture of glycerol and alcohols Sodium or potassium salts of heavier fatty acids Salts of silicates Esters of heavy fatty acids ANSWER DOWNLOAD EXAMIANS APP
General Science Which metal pollute the air of a big city? Lead Chromium Cadmium Copper Lead Chromium Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP