Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon dioxide Sulphur dioxide Carbon monoxide Methane Carbon dioxide Sulphur dioxide Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Alum Bleach Deactivated nitrogen Activated carbon Alum Bleach Deactivated nitrogen Activated carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Argon Oxygen Krypton Nitrogen Argon Oxygen Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Water Carbonic Acid Methane Ammonia Water Carbonic Acid Methane Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Percentage of carbon in steel ranges from 0.1 to 1.5 3.0 to 4.0 4.0 to 6.0 1.5 to 3.0 0.1 to 1.5 3.0 to 4.0 4.0 to 6.0 1.5 to 3.0 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is a noble gas Its atomic number is 2 It is one of the constitutents of water It is lighter than air It is a noble gas Its atomic number is 2 It is one of the constitutents of water It is lighter than air ANSWER DOWNLOAD EXAMIANS APP