Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Chromium Zinc Lead Nickel Chromium Zinc Lead Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Acetic acid Lactic acid Carbonic acid Citric acid Acetic acid Lactic acid Carbonic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Water softening Sedimentation Flocculation Filtration Water softening Sedimentation Flocculation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Chlorofluorocarbon Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbon Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is costlier than tin Zinc is less reactive than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is costlier than tin Zinc is less reactive than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polyamide Polyester Polypropylene Polyethylene Polyamide Polyester Polypropylene Polyethylene ANSWER DOWNLOAD EXAMIANS APP
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