Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x/36 x/6 7.2 x 5x 5x/36 x/6 7.2 x 5x ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Cu Pt Ni Pb Cu Pt Ni Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Zinc phosphide Potassium cyanide Zinc oxide Lead nitrate Zinc phosphide Potassium cyanide Zinc oxide Lead nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to denature ethanol ? Propyl alcohol Methane Methyl alcohol Phenol Propyl alcohol Methane Methyl alcohol Phenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Helium Sodium Lithium Hydrogen Helium Sodium Lithium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 zero 2 4 5 zero 2 4 5 ANSWER DOWNLOAD EXAMIANS APP
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