Chemistry
Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process :

Ozonolysis
Hydrogenation
Hydrolysis
Oxidation

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Chemistry
All isotopes of the same element have ________

Different atomic numbers and different atomic mass
The same atomic number and the atomic mass
Different atomic numbers and the same atomic mass
The same atomic number but different atomic masses

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