Chemistry Water cycle refers to An integrated attempt to recycle water in relatively arid regions Scientific management of water in areas excessively plagued with water-logging Constant movement of water from ocean to land and back to ocean once again Water distribution in relatively dry areas An integrated attempt to recycle water in relatively arid regions Scientific management of water in areas excessively plagued with water-logging Constant movement of water from ocean to land and back to ocean once again Water distribution in relatively dry areas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which Increases the rate of the reaction Has no action on the rate of the reaction Decreases the rate of reaction None of these Increases the rate of the reaction Has no action on the rate of the reaction Decreases the rate of reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Carbon Dioxide Hydrogen Carbon Monoxide Marsh gas Carbon Dioxide Hydrogen Carbon Monoxide Marsh gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/8 1/6 1/3 1/4 1/8 1/6 1/3 1/4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O CaCl2 PbCl2 CuS Zn(OH)2 CaCl2 PbCl2 CuS Zn(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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