Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles stops the passage of light through it Brown bottles react with it It reacts with ordinary white bottles Brown bottles do not react with it Brown bottles stops the passage of light through it Brown bottles react with it It reacts with ordinary white bottles Brown bottles do not react with it ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Sodium Benzoate Sodium Chloride Glycerine Picric acid Sodium Benzoate Sodium Chloride Glycerine Picric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ Different atomic numbers and the same atomic mass Different atomic numbers and different atomic mass The same atomic number and the atomic mass The same atomic number but different atomic masses Different atomic numbers and the same atomic mass Different atomic numbers and different atomic mass The same atomic number and the atomic mass The same atomic number but different atomic masses ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) p-electrons in CI(Z = 17) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas mainly contains Hydrogen sulphide Carbon monoxide Carbon dioxide Methane Hydrogen sulphide Carbon monoxide Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Carbon dioxide Nitrogen Methane Ozone Carbon dioxide Nitrogen Methane Ozone ANSWER DOWNLOAD EXAMIANS APP
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