Easy Chemistry Chapter 01: Solutions Class 12 Level 5

किसी नमूने में 2 पीपीएम कीटनाशक है। इसका सही अर्थ कौन-सा है?

A sample contains 2 ppm pesticide. Which meaning is correct?

Explanation opens after your attempt
Correct Answer

A. दस लाख भाग नमूने में 2 भाग कीटनाशक / 2 parts pesticide in one million parts sample

Step 1

Concept

ppm means parts per million.

Step 2

Why this answer is correct

2 ppm means 2 parts solute in one million parts sample.

Step 3

Exam Tip

Remember ppm for very small quantities. चरण 1: पीपीएम का अर्थ दस लाख भागों में भाग है। चरण 2: 2 पीपीएम का अर्थ दस लाख भाग नमूने में 2 भाग विलेय है। चरण 3: सूक्ष्म मात्रा के लिए पीपीएम का प्रयोग याद रखें।

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The correct answer is A. दस लाख भाग नमूने में 2 भाग कीटनाशक / 2 parts pesticide in one million parts sample.

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