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1. Some basic concept of chemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry1. Some basic concept of chemistry1 Mark
MCQ
Which one of the following statement is incorrect?
  • A
    Number of atoms in $27\, g\, Al$ is equal to Avogadro's number.
  • ✓
    $1\, mole$ atoms are present in $27\, g-atom$ of $Al$.
  • C
    Actual mass of $Al$ atom is $45.09\times10^{-24}\, g$.
  • D
    None of the above
✓

Answer

Correct option: B.
$1\, mole$ atoms are present in $27\, g-atom$ of $Al$.
b

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