Easy Chemistry Chapter 01: Solutions Class 12 Level 4

बहुत कम सांद्रता वाले विलयनों के लिए कौन-सी इकाई अधिक उपयोगी होती है?

Which unit is more useful for very dilute solutions?

Explanation opens after your attempt
Correct Answer

A. पीपीएम / ppm

Step 1

Concept

For very small solute amounts, writing percentage may be inconvenient.

Step 2

Why this answer is correct

In such cases, ppm is useful.

Step 3

Exam Tip

Remember ppm for pollutants or trace impurities. चरण 1: बहुत कम मात्रा में उपस्थित विलेय को प्रतिशत में लिखना कठिन हो सकता है। चरण 2: ऐसी स्थिति में पीपीएम सुविधाजनक होता है। चरण 3: प्रदूषक या सूक्ष्म अशुद्धि वाले प्रश्नों में पीपीएम याद रखें।

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