Chemical Process Pick out the exothermic reaction out of the following: MgCO₃ = MgO + CO₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ C + H₂O = CO + H₂ All of these MgCO₃ = MgO + CO₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ C + H₂O = CO + H₂ All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Thermoplastic materials Are heavily branched molecules None of these Are solvent insoluble Do not soften on application of heat Are heavily branched molecules None of these Are solvent insoluble Do not soften on application of heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bromine content in sea water may be around __________ ppm. 70 2500 1875 640 70 2500 1875 640 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not responsible for causing permanent hardness of water? Ca(HCO₃)₂ MgCl₂ CaCl₂ None of these Ca(HCO₃)₂ MgCl₂ CaCl₂ None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phosphoric acid is prepared from None of these Chalcopyrite Cryolite Rock phosphate None of these Chalcopyrite Cryolite Rock phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc? Sodium borate Sodium tripolyphosphate (STPP) Sodium silicate Caustic soda Sodium borate Sodium tripolyphosphate (STPP) Sodium silicate Caustic soda ANSWER DOWNLOAD EXAMIANS APP
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