Chemistry Which of the following phenomenon is considered responsible for Global Warming? Greenhouse effect Trade winds Dry farming Fire in coal mines Greenhouse effect Trade winds Dry farming Fire in coal mines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Hydrogen cyanide Carbon monoxide Water gas Mustard gas Hydrogen cyanide Carbon monoxide Water gas Mustard gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Sulphuric acid Carbon monoxide Ozone Nitric acid Sulphuric acid Carbon monoxide Ozone Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsion is a colloidal solution of Liquid in liquid Solid in Solid Solid in liquid Gas in solid Liquid in liquid Solid in Solid Solid in liquid Gas in solid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Calcium carbonate Magnesium sulphate Potassium chloride Sodium chloride Calcium carbonate Magnesium sulphate Potassium chloride Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Fog Mist Smog Sleet Fog Mist Smog Sleet ANSWER DOWNLOAD EXAMIANS APP
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