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Chemistry CBSE Live product
Class 9
Atoms and molecules
PT2 Revision I - Atoms and molecules
10.
Molecular mass
Question:
2
m.
Choose the best answer:
Write the formulae for caustic soda and calculate its molecular mass:
Formula:
\(KOH\)
\(Mg(OH)_2\)
\(NaOH\)
\(CaOH\)
Molecular mass
is
\(25\)
\(30\)
\(20\)
\(40\)
\(g\ (mol^-{^1})\).
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