Chemistry Which of the following metals occurs in free state ? Zinc Lead Copper Iron Zinc Lead Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium nitrate Calcium carbonate Calcium chloride Calcium sulphate Calcium nitrate Calcium carbonate Calcium chloride Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? O2 H2 He N 2 O2 H2 He N 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Mg Ca Na K Mg Ca Na K ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Asthma Pneumoconiosis Cancer Silicosis Asthma Pneumoconiosis Cancer Silicosis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Chlorofluorocarbons Methane Carbon dioxide Nitrous oxide Chlorofluorocarbons Methane Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
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