Chemical Process Sudden temperature fluctuation does not affect pyrex glass, because of its High melting point High co-efficient of expansion Both B and C Low co-efficient of expansion High melting point High co-efficient of expansion Both B and C Low co-efficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cement setting under water employs a/an __________ process. Reduction Decomposition Hydration Oxidation Reduction Decomposition Hydration Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most commonly used substance to speed up the sedimentation of sewage is Sulphuric acid Chlorine Sodium bisulphite Lime Sulphuric acid Chlorine Sodium bisulphite Lime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Producer gas consists mainly of C₂H₂, CO₂, H₂ H₂, CH₄ CO, H₂ CO, CO₂ N₂, H₂ C₂H₂, CO₂, H₂ H₂, CH₄ CO, H₂ CO, CO₂ N₂, H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Removal of dirt/soil by soaps or detergent does not involve the __________ of soil. Precipitation Wetting Emulsification Dispersion Precipitation Wetting Emulsification Dispersion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Saponification number of an oil or fat All of these Is inversely proportional to its molecular weight Detects its adulteration Gives an idea about its molecular weight All of these Is inversely proportional to its molecular weight Detects its adulteration Gives an idea about its molecular weight ANSWER DOWNLOAD EXAMIANS APP
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