Chemical Process Temporary hardness of water can be removed by Boiling Filtration (through gravity sand filter) Addition of lime Addition of alum (a coagulant) Boiling Filtration (through gravity sand filter) Addition of lime Addition of alum (a coagulant) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not a raw material used for the manufacture of ordinary glass? Silica Soda ash Limestone Iron oxide Silica Soda ash Limestone Iron oxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon disulphide is mainly used in the production of Paints Corundum Plasticiser for unsaturated polyester Viscose rayon Paints Corundum Plasticiser for unsaturated polyester Viscose rayon ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ acid is the main constituent of cotton seed oil. Acetic Linoleic Palmitic Oleic Acetic Linoleic Palmitic Oleic ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Saponification value/number of an oil or fat is a measure of its Fatty acid content Insoluble fatty acid content Degree of unsaturation of the fatty acids present in it Average molecular weight Fatty acid content Insoluble fatty acid content Degree of unsaturation of the fatty acids present in it Average molecular weight ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Plasticisers are added to paints to Make glossy surface Give elasticity & prevent cracking of the film Increase atmospheric oxidation Make it corrosion resistant Make glossy surface Give elasticity & prevent cracking of the film Increase atmospheric oxidation Make it corrosion resistant ANSWER DOWNLOAD EXAMIANS APP