Chemistry Helium gas is filled in ballons because Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: Increase in free energy A lowering of entropy A lowering of free energy An increase in Internal energy Increase in free energy A lowering of entropy A lowering of free energy An increase in Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 5 and 10 km 10 and 20 km 50 and 100 km 20 and 50 km 5 and 10 km 10 and 20 km 50 and 100 km 20 and 50 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Oxygen Carbon monoxide Carbon dioxide Ozone Oxygen Carbon monoxide Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas mainly contains Hydrogen sulphide Carbon dioxide Carbon monoxide Methane Hydrogen sulphide Carbon dioxide Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Carbon Monoxide Methane Ozone gas Carbon dioxide Carbon Monoxide Methane Ozone gas Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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