Chemical Process __________ is used as a flux in the smelting of copper ore like chalcopyrite. Silica/quartz Lime powder Coke breeze Dolomite Silica/quartz Lime powder Coke breeze Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process A mineral is termed as 'ore', if A metal can be economically extracted from it All of these It contains ≥ 40% metal The metal present in it is costly A metal can be economically extracted from it All of these It contains ≥ 40% metal The metal present in it is costly ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Thermosetting materials Soften on application of heat None of these Are cross-linked molecules Are solvent soluble Soften on application of heat None of these Are cross-linked molecules Are solvent soluble ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Raw materials used for producing __________ cement does not contain iron oxide. Waterproof Slag White Pozzolan Waterproof Slag White Pozzolan ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is produced using polycondensation reaction. Polythene Poly vinyl chloride None of these Phenol formaldehyde Polythene Poly vinyl chloride None of these Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the Fertiliser manufacture Water treatment Synthesis of oleum Car battery solution Fertiliser manufacture Water treatment Synthesis of oleum Car battery solution ANSWER DOWNLOAD EXAMIANS APP
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