General Science What are metal bearing rocks called? Metalloids Bauxite Ores Bitumen Metalloids Bauxite Ores Bitumen ANSWER DOWNLOAD EXAMIANS APP
General Science The most important ore of aluminum is Galena Calcite Calamine Bauxite Galena Calcite Calamine Bauxite ANSWER DOWNLOAD EXAMIANS APP
General Science Sodium metal is kept under Alcohol Kerosene Petrol Water Alcohol Kerosene Petrol Water ANSWER DOWNLOAD EXAMIANS APP
General Science The dark lines in the solar spectrum are due to Absorption of corresponding wavelengths by the outer layers of the sun. Destructive interference between waves of certain definite wavelengths. Absence of corresponding wavelengths from the light emitted by the core of the sun. Absorption of corresponding wavelengths by the prism used in the photograph. Absorption of corresponding wavelengths by the outer layers of the sun. Destructive interference between waves of certain definite wavelengths. Absence of corresponding wavelengths from the light emitted by the core of the sun. Absorption of corresponding wavelengths by the prism used in the photograph. ANSWER DOWNLOAD EXAMIANS APP
General Science Gypsum is added to cement clinker to Decrease the rate of setting of cement Facilitate the formation of colloidal gel Bind the particles of calcium silicate Increase the tensile strength of cement Decrease the rate of setting of cement Facilitate the formation of colloidal gel Bind the particles of calcium silicate Increase the tensile strength of cement ANSWER DOWNLOAD EXAMIANS APP
General Science In which of the following activities silicon carbide is used? Disinfecting water of ponds Making casts for statues Cutting very hard substances Making cement and glass Disinfecting water of ponds Making casts for statues Cutting very hard substances Making cement and glass ANSWER DOWNLOAD EXAMIANS APP
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