Chemistry The main active constituent of tea and coffee is aspirin chlorophyll caffeine nicotine aspirin chlorophyll caffeine nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Radon Krypton Argon Helium Radon Krypton Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas mainly contains Carbon dioxide Carbon monoxide Methane Hydrogen sulphide Carbon dioxide Carbon monoxide Methane Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Neutrons and protons Electrons Neutrons Protons Neutrons and protons Electrons Neutrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Water softening Sedimentation Flocculation Filtration Water softening Sedimentation Flocculation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Electron Hydrogen nucleus Neutron Proton Electron Hydrogen nucleus Neutron Proton ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS