तत्व किसे कहते हैं?
What is an element?
Explanation opens after your attempt
A. ऐसा शुद्ध पदार्थ जो सामान्य रासायनिक तरीकों से सरल पदार्थों में न टूटेA pure substance that cannot be broken into simpler substances by ordinary chemical methods
Concept
An element contains one type of atoms. It cannot be broken into simpler substances by ordinary chemical methods.
Why this answer is correct
The correct answer is A. ऐसा शुद्ध पदार्थ जो सामान्य रासायनिक तरीकों से सरल पदार्थों में न टूटे / A pure substance that cannot be broken into simpler substances by ordinary chemical methods. An element contains one type of atoms. It cannot be broken into simpler substances by ordinary chemical methods.
Exam Tip
तत्व में एक ही प्रकार के atoms होते हैं। इसे सामान्य chemical methods से सरल पदार्थ में नहीं तोड़ा जा सकता।
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