Chemistry Which of the following is used as anesthetic ? NO NH3 N2O NO2 NO NH3 N2O NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Aviation fuels Radioactive rays Volcanic eruptions Chlorofluorocarbons Aviation fuels Radioactive rays Volcanic eruptions Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of same element having different mass numbers are called________ Isomers Isotopes Isotones Isobars Isomers Isotopes Isotones Isobars ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Electrons Protons Positrons Neutrons Electrons Protons Positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Sodium chloride Sodium nitrate Ammonium chloride Calcium chloride Sodium chloride Sodium nitrate Ammonium chloride Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
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