Chemical Process Pick out the exothermic reaction out of the following: CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ All of these MgCO₃ = MgO + CO₂ C + H₂O = CO + H₂ CaC₂ + H₂O = Ca(OH)₂ + C₂H₂ All of these MgCO₃ = MgO + CO₂ C + H₂O = CO + H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The major use of butadiene is In the manufacture of synthetic rubber As an anti-skinning agent in paint None of these As a plasticiser for unsaturated polyester In the manufacture of synthetic rubber As an anti-skinning agent in paint None of these As a plasticiser for unsaturated polyester ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement. Iodine value of an oil or fat is Independent of the type of oil, whether it is drying or non-drying The number of grams of iodine taken up by 100 gm of oil or fat A measure of its unsaturation Helpful in findings its adulteration & its suitability for making soap Independent of the type of oil, whether it is drying or non-drying The number of grams of iodine taken up by 100 gm of oil or fat A measure of its unsaturation Helpful in findings its adulteration & its suitability for making soap ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Drinking (potable) water treatment does not involve Sedimentation Softening Disinfection Coagulation Sedimentation Softening Disinfection Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In premitive days, __________ was being manufactured by Leblanc Process. Alum Calcium carbide Washing soda Soda ash Alum Calcium carbide Washing soda Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chrome tanning and vegetable tanning are done for Neither light nor heavy leather Heavy & light leather respectively Both light & heavy leather Light & heavy leather respectively Neither light nor heavy leather Heavy & light leather respectively Both light & heavy leather Light & heavy leather respectively ANSWER DOWNLOAD EXAMIANS APP