Hard Chemistry Chapter 01: Solutions Class 12 Level 4

आयतन प्रतिशत पच्चीस प्रतिशत है और विलेय का आयतन चालीस मिलीलीटर है। कुल विलयन का आयतन कितना होगा?

The volume percentage is 25 percent and the volume of solute is 40 mL. What is the total volume of the solution?

Explanation opens after your attempt
Correct Answer

B. 160 मिलीलीटर / 160 mL

Step 1

Concept

25 percent means the solute is one-fourth of the total volume.

Step 2

Why this answer is correct

If one-fourth is 40 mL, the total volume is 160 mL.

Step 3

Exam Tip

In reverse percent questions, find the whole from the given part. चरण 1: पच्चीस प्रतिशत का अर्थ है कुल आयतन का एक चौथाई भाग विलेय है। चरण 2: यदि एक चौथाई भाग चालीस मिलीलीटर है, तो कुल आयतन एक सौ साठ मिलीलीटर होगा। चरण 3: उल्टे प्रतिशत में दिए गए भाग से पूरा निकालें।

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The correct answer is B. 160 मिलीलीटर / 160 mL.

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