Chemistry The iron ore which contains 72% of iron is : Limonite Haematite Magnetite Siderite Limonite Haematite Magnetite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wood spirit is Butyl alcohol Propyl alcohol Methyl alcohol Ethyl alcohol Butyl alcohol Propyl alcohol Methyl alcohol Ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Calcium carbonate Potassium chloride Sodium chloride Magnesium sulphate Calcium carbonate Potassium chloride Sodium chloride Magnesium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Radioactive waste Acid rain Oil spill Carbon dioxide Radioactive waste Acid rain Oil spill Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Green house effect Smog Eutrophication None of these Green house effect Smog Eutrophication None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Silver bromide Potassium nitrate Aluminium hydroxide Sodium chloride Silver bromide Potassium nitrate Aluminium hydroxide Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
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