Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Nickel Chromium Lead Zinc Nickel Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Smelting Refining Roasting Calcination Smelting Refining Roasting Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemistry Zinc sulphide is commonly used as Fungicide Herbicide Deodorant Rodenticide Fungicide Herbicide Deodorant Rodenticide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is an alloy of which of the following metals ? Tin Silver Iron Aluminium Tin Silver Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Becomes more strong Cracks during setting Is slow setting Is quick setting Becomes more strong Cracks during setting Is slow setting Is quick setting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Oxides of sulphur Hydrocarbon Smoke Oxides of nitrogen Oxides of sulphur Hydrocarbon Smoke Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
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