Class 11 Chemistry Some Basic Concepts of Chemistry Percentage composition and Molecular formula

Medium

The percentage of oxygen in $NaOH$ is (in $\%$)

A
$40$
B
$60$
C
$8$
D
$10$

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Some Basic Concepts of Chemistry

Subtopic

Percentage composition and Molecular formula

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