Chemistry The depletion of Ozone layer is mainly due to Volcanic eruptions Radioactive rays Chlorofluorocarbons Aviation fuels Volcanic eruptions Radioactive rays Chlorofluorocarbons Aviation fuels ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following acids is used in battery ? Sulphuric acid Hydrochloric acid Sulphurous acid Hydrofluoric acid Sulphuric acid Hydrochloric acid Sulphurous acid Hydrofluoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Glycerides Hydrocarbons of petroleum Potassium salts of higher fatty-acids Sodium salts of higher fattyacids Glycerides Hydrocarbons of petroleum Potassium salts of higher fatty-acids Sodium salts of higher fattyacids ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Sulphurdioxide Carbondioxide Oxygen Nitrogen Sulphurdioxide Carbondioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Argon Hydrogen Neon Helium Argon Hydrogen Neon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Electrons Protons Neutrons Neutrons and protons Electrons Protons Neutrons Neutrons and protons ANSWER DOWNLOAD EXAMIANS APP
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