NEET Chemistry Percentage Composition Assertion Reason Question
Assertion (A): The percentage composition of elements in a compound helps in determining the purity of a given sample.
Reason (R): The mass percentage of an element in a compound is calculated using the formula: (mass of the element in the compound / molar mass of the compound) × 100.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false.
Correct Answer
Detailed Explanation
The assertion and reason are both true and linked. Percentage composition checks purity, and the given formula is used for calculating it, as per the NCERT context.
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