Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 10 and 20 km 5 and 10 km 50 and 100 km 20 and 50 km 10 and 20 km 5 and 10 km 50 and 100 km 20 and 50 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Aluminium Iron Copper Zinc Aluminium Iron Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas used by the police to disperse the mob contains Chlorine Carbon dioxide Ammonia Hydrogen sulphide Chlorine Carbon dioxide Ammonia Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization of iron is carried out using Copper Chromium Zinc Tin Copper Chromium Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Natural gas Indane gas Coal gas Water gas Natural gas Indane gas Coal gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water cycle refers to An integrated attempt to recycle water in relatively arid regions Constant movement of water from ocean to land and back to ocean once again Water distribution in relatively dry areas Scientific management of water in areas excessively plagued with water-logging An integrated attempt to recycle water in relatively arid regions Constant movement of water from ocean to land and back to ocean once again Water distribution in relatively dry areas Scientific management of water in areas excessively plagued with water-logging ANSWER DOWNLOAD EXAMIANS APP