Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Lead Nickel Chromium Zinc Lead Nickel Chromium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Fluorine Aluminium Potassium Lead Fluorine Aluminium Potassium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Sulphur Carbon Hydrogen Phosphorus Sulphur Carbon Hydrogen Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Oxides of nitrogen Smoke Hydrocarbon Oxides of sulphur Oxides of nitrogen Smoke Hydrocarbon Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Textiles Asbestos Paper Silica Textiles Asbestos Paper Silica ANSWER DOWNLOAD EXAMIANS APP
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