Chemistry Diamond is harder than graphite because of : None of these Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond None of these Difference in layers of atoms Difference of crystalline structures Tetrahedral structure of diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water Temperature decreases No heat change takes place Heat is liberated Heat is absorbed Temperature decreases No heat change takes place Heat is liberated Heat is absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium is produced by the electrolysis of Aqueous brine solution Molten sodium chloride Molten sodium carbonate Its cyanide complex Aqueous brine solution Molten sodium chloride Molten sodium carbonate Its cyanide complex ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat required to raise the temperature of body by 1 K is called water equivalent thermal capacity specific heat None of these water equivalent thermal capacity specific heat None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Carbon monoxide Water gas Mustard gas Hydrogen cyanide Carbon monoxide Water gas Mustard gas Hydrogen cyanide ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Cancer Reduced crop yield Respiratory diseases (e.g.asthma) Silicosis Cancer Reduced crop yield Respiratory diseases (e.g.asthma) Silicosis ANSWER DOWNLOAD EXAMIANS APP
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