Chemistry The metal ion present in Vitamin B12 is Nickel Iron Zinc Cobalt Nickel Iron Zinc Cobalt ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrous oxide Nitrogen dioxide Nitrogen pentoxide Nitric oxide Nitrous oxide Nitrogen dioxide Nitrogen pentoxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compounds has fruity smell? Ether Aldehyde Ester Alcohol Ether Aldehyde Ester Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The orientation of an atomic orbital is governed by Magnetic quantum number Principal quantum number Spin quantum number Azimuthal quantum number Magnetic quantum number Principal quantum number Spin quantum number Azimuthal quantum number ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Mercury vapour and argon Mercury oxide and neon Sodium vapour and neon Sodium oxide and argon Mercury vapour and argon Mercury oxide and neon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ The same atomic number and the atomic mass Different atomic numbers and the same atomic mass Different atomic numbers and different atomic mass The same atomic number but different atomic masses The same atomic number and the atomic mass Different atomic numbers and the same atomic mass Different atomic numbers and different atomic mass The same atomic number but different atomic masses ANSWER DOWNLOAD EXAMIANS APP
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