Chemical Process Which of the following is not produced commercially from sea water? Bromine Iodine Common salt Magnesium & potassium compounds Bromine Iodine Common salt Magnesium & potassium compounds ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flexible foam (for mattresses) is usually made of PVC Polyamides Silicone Polyurethanes PVC Polyamides Silicone Polyurethanes ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Thermosetting materials None of these Are cross-linked molecules Soften on application of heat Are solvent soluble None of these Are cross-linked molecules Soften on application of heat Are solvent soluble ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Paper grade bamboo contains about __________ percent cellulose. 40 20 60 5 40 20 60 5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Concentration of sulphide ores is done usually by Roasting Smelting Froth floatation Electro magnetic separation Roasting Smelting Froth floatation Electro magnetic separation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Vulcanisation of rubber Converts its plasticity into elasticity Increases its oil & solvent resistance Decreases its tensile strength Increases its ozone & oxygen reactivity Converts its plasticity into elasticity Increases its oil & solvent resistance Decreases its tensile strength Increases its ozone & oxygen reactivity ANSWER DOWNLOAD EXAMIANS APP