General Science Permanent hardness of water can be removed by adding Chlorine Bleaching Powder Potassium Permanganate Washing Soda Chlorine Bleaching Powder Potassium Permanganate Washing Soda ANSWER DOWNLOAD EXAMIANS APP
General Science What are metal bearing rocks called? Bitumen Bauxite Ores Metalloids Bitumen Bauxite Ores Metalloids ANSWER DOWNLOAD EXAMIANS APP
General Science The hardest substance available on earth is Diamond None of the listed here Iron Gold Diamond None of the listed here Iron Gold ANSWER DOWNLOAD EXAMIANS APP
General Science In which of the following activities silicon carbide is used? Making casts for statues Disinfecting water of ponds Cutting very hard substances Making cement and glass Making casts for statues Disinfecting water of ponds Cutting very hard substances Making cement and glass ANSWER DOWNLOAD EXAMIANS APP
General Science What are the soaps? Esters of heavy fatty acids Salts of silicates Sodium or potassium salts of heavier fatty acids Mixture of glycerol and alcohols Esters of heavy fatty acids Salts of silicates Sodium or potassium salts of heavier fatty acids Mixture of glycerol and alcohols ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following is used as a moderator in nuclear reactor? Ordinary water Radium Thorium Graphite Ordinary water Radium Thorium Graphite ANSWER DOWNLOAD EXAMIANS APP