Chemical Process Vulcanisation of rubber Converts its plasticity into elasticity Increases its ozone & oxygen reactivity Increases its oil & solvent resistance Decreases its tensile strength Converts its plasticity into elasticity Increases its ozone & oxygen reactivity Increases its oil & solvent resistance Decreases its tensile strength ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sea water contains about __________ ppm of bromine. 5 70 500 1700 5 70 500 1700 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituents of cotton fiber is Gelatine Cellulose Starch Lignin Gelatine Cellulose Starch Lignin ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Presence of H₂S in raw water (to be chlorinated) results in the Easy removal of its hardness None of these Increased dosage of chlorine to provide a disinfecting residual in the water Reduced softening capacity of zeolite Easy removal of its hardness None of these Increased dosage of chlorine to provide a disinfecting residual in the water Reduced softening capacity of zeolite ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the endothermic reaction out of the following. CaCO₃ = CaO + CO₂ C+1/2O₂ = CO CO + 3H₂ = CH₄ + H₂O CO +1/2O₂ = CO₂ CaCO₃ = CaO + CO₂ C+1/2O₂ = CO CO + 3H₂ = CH₄ + H₂O CO +1/2O₂ = CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most stable allotropic form of phosphorous is the __________ phosphorous. Red Yellow Black White Red Yellow Black White ANSWER DOWNLOAD EXAMIANS APP