Chemistry The chemical name of rat poison is Zinc oxide Zinc phosphide Lead nitrate Potassium cyanide Zinc oxide Zinc phosphide Lead nitrate Potassium cyanide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Limestone and clay Clay and graphite Chalk and graphite Limestone and graphite Limestone and clay Clay and graphite Chalk and graphite Limestone and graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Higher concentration of nitrogen dioxide in atmosphere air causes Asphyxiation Bronchitis Corrosion Cancer Asphyxiation Bronchitis Corrosion Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Chlorination Oxidation followed by settling and filtration Ion exchange process Lime soda process or manganese zeolite process Chlorination Oxidation followed by settling and filtration Ion exchange process Lime soda process or manganese zeolite process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Magnesium None of these Manganese Calcium Magnesium None of these Manganese Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following phenomenon is considered responsible for Global Warming? Dry farming Greenhouse effect Trade winds Fire in coal mines Dry farming Greenhouse effect Trade winds Fire in coal mines ANSWER DOWNLOAD EXAMIANS APP
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