Chemistry Which one of the following elements is used in the manufacture of safety matches? Silicon Sodium Phosphorus Graphite Silicon Sodium Phosphorus Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Bauxite Magnetite Lignite Nitrite Bauxite Magnetite Lignite Nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is chemically known as Hydroxysalicylate Alkylsalicylic acid Acetylsalicylic acid Methyl salicylate Hydroxysalicylate Alkylsalicylic acid Acetylsalicylic acid Methyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon monoxide Smoke Sulphur dioxide Carbon dioxide Carbon monoxide Smoke Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Copper Cadmium Lead Chromium Copper Cadmium Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A matured mammalian cell without nucleus is Oocyte Lymphocyte Spermatozoan Erythrocyte Oocyte Lymphocyte Spermatozoan Erythrocyte ANSWER DOWNLOAD EXAMIANS APP