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CBSE Board 10th science 2026 pyq • Chemistry (रसायन शास्त्र)

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जल के वैद्युत-अपघटन के दौरान मुक्त हाइड्रोजन तथा ऑक्सीजन गैसों का आयतन अनुपात है :

1.

1:2

2.

2:1

3.

1:3

4.

4:1

Answer (Detailed Solution Below)

✓

Option 2 : 2:1 (Option B)

📌 Key Points & Important Facts:

The correct answer is Option 2: 2:1.

This question is part of the official syllabus for CBSE Board 10th science 2026 pyq under CBSE 10TH MOCK TESTS. Practicing questions with authentic patterns and time limits ensures superior accuracy, speed, and confidence during actual government examinations.

Exam PaperCBSE Board 10th science 2026 pyq

SectionChemistry (रसायन शास्त्र)

Total Marks20 Marks

Negative MarkingNONE Marks

Duration20 Mins

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