Chemical Process Common salt is generally not produced commonly by __________ method from brine. Electrolytic Vacuum evaporation Solar evaporation Freeze drying Electrolytic Vacuum evaporation Solar evaporation Freeze drying ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of liquid nitrogen is in Refrigerative cooling Making gun powder Detergent manufacture Rocket propulsion Refrigerative cooling Making gun powder Detergent manufacture Rocket propulsion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water can be removed by Simply boiling Adding alum Passing it through cation & anion exchangers All of these Simply boiling Adding alum Passing it through cation & anion exchangers All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Thermosetting materials Are cross-linked molecules Are solvent soluble None of these Soften on application of heat Are cross-linked molecules Are solvent soluble None of these Soften on application of heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sand and __________ is fused at 1300°C, to produce sodium silicate. Coke Soda ash Limestone Sodium sulphate Coke Soda ash Limestone Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Frasch process is for Mining sulphur Producing helium Making nitrogen Making oxygen Mining sulphur Producing helium Making nitrogen Making oxygen ANSWER DOWNLOAD EXAMIANS APP
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