Chemical Process Vulcanisation of rubber Increases its ozone & oxygen reactivity Decreases its tensile strength Increases its oil & solvent resistance Converts its plasticity into elasticity Increases its ozone & oxygen reactivity Decreases its tensile strength Increases its oil & solvent resistance Converts its plasticity into elasticity ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following, when pyrolysed, produces perchloro-ethylene? Chlorobenzene Chlorinated paraffin Ethylene dichloride Carbon tetrachloride Chlorobenzene Chlorinated paraffin Ethylene dichloride Carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Brackish water which contains mostly dissolved salt, can be purified by the __________ process. Permutit Lime soda Sand filter Reverse osmosis Permutit Lime soda Sand filter Reverse osmosis ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Flexible foam (for mattresses) is usually made of Polyamides Silicone Polyurethanes PVC Polyamides Silicone Polyurethanes PVC ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Terylene is Same as dacron A polyester Both A & B Neither A nor B Same as dacron A polyester Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Wax is a Mixture of esters of polyhydric alcohols excepting glycerine Mixture of glycerides Mixture of glycerides of fatty acids Liquid at room temperature Mixture of esters of polyhydric alcohols excepting glycerine Mixture of glycerides Mixture of glycerides of fatty acids Liquid at room temperature ANSWER DOWNLOAD EXAMIANS APP
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