हाइड्रोजन किस प्रकार का पदार्थ है?
Hydrogen is what type of matter?
Explanation opens after your attempt
A. तत्वElement
Concept
Hydrogen is an element. It contains hydrogen atoms.
Why this answer is correct
The correct answer is A. तत्व / Element. Hydrogen is an element. It contains hydrogen atoms.
Exam Tip
Hydrogen एक element है। इसमें hydrogen atoms होते हैं।
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