Chemistry Which gas does not form the part of atmosphere ? Helium None of these Nitrogen Chlorine Helium None of these Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is acetylene ethane carbon dioxide ethylene acetylene ethane carbon dioxide ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 77 kelvin 54 kelvin 82 Kelvin 97 Kelvin 77 kelvin 54 kelvin 82 Kelvin 97 Kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry By which organic compound all the oils are known ? Hydrocarbon Ester Carbohydrate Protein Hydrocarbon Ester Carbohydrate Protein ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Calcium hydroxide Magnesium hydroxide Sodium bicarbonate Magnesium carbonate Calcium hydroxide Magnesium hydroxide Sodium bicarbonate Magnesium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Electrons Neutrons and protons Neutrons Protons Electrons Neutrons and protons Neutrons Protons ANSWER DOWNLOAD EXAMIANS APP