Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Sulphates Phosphates Carbonates Bicarbonates Sulphates Phosphates Carbonates Bicarbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Common salt is generally not produced commonly by __________ method from brine. Solar evaporation Freeze drying Vacuum evaporation Electrolytic Solar evaporation Freeze drying Vacuum evaporation Electrolytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Trinitro-toluene (TNT) is Used in dye manufacture Used in glycerine manufacture An explosive None of these Used in dye manufacture Used in glycerine manufacture An explosive None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bromine content in sea water may be around __________ ppm. 1875 2500 70 640 1875 2500 70 640 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ paper is used in the manufacture of newsprint paper. Wrapping Tissue Groundwood Board Wrapping Tissue Groundwood Board ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrolysis of sugar is called Esterification Hydration Inversion None of these Esterification Hydration Inversion None of these ANSWER DOWNLOAD EXAMIANS APP