General Science In which of the following activities silicon carbide is used? Cutting very hard substances Making casts for statues Making cement and glass Disinfecting water of ponds Cutting very hard substances Making casts for statues Making cement and glass Disinfecting water of ponds ANSWER DOWNLOAD EXAMIANS APP
General Science In vulcanisation, natural rubber is heated with Phosphorous Silicon Sulphur Carbon Phosphorous Silicon Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
General Science Potassium Permanganate is used for purifying drinking water, because It is a sterilising agent. None of the listed here It is a reducing agent It is an oxidising agent. It is a sterilising agent. None of the listed here It is a reducing agent It is an oxidising agent. ANSWER DOWNLOAD EXAMIANS APP
General Science The hardest substance available on earth is Diamond None of the listed here Gold Iron Diamond None of the listed here Gold Iron ANSWER DOWNLOAD EXAMIANS APP
General Science Isotopes are separated by: Crystallisation Distillation Filtration Sublimation Crystallisation Distillation Filtration Sublimation ANSWER DOWNLOAD EXAMIANS APP
General Science The most important ore of aluminum is Bauxite Galena Calamine Calcite Bauxite Galena Calamine Calcite ANSWER DOWNLOAD EXAMIANS APP