Chemistry Of the following, which one pollutes the air of a big city ? Lead Copper Chromium Cadmium Lead Copper Chromium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Oxidation followed by settling and filtration Ion exchange process Chlorination Lime soda process or manganese zeolite process Oxidation followed by settling and filtration Ion exchange process Chlorination Lime soda process or manganese zeolite process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is an example of a gel ? Shaving cream Cheese Face cream Milk Shaving cream Cheese Face cream Milk ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which None of these Has no action on the rate of the reaction Decreases the rate of reaction Increases the rate of the reaction None of these Has no action on the rate of the reaction Decreases the rate of reaction Increases the rate of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material known in commerce as Terylene is a Synthetic fibre Natural fibre Blend of cotton and silk Modified natural fibre Synthetic fibre Natural fibre Blend of cotton and silk Modified natural fibre ANSWER DOWNLOAD EXAMIANS APP
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