The Punjab Board's 2025–2026 Class 11 Chemistry Syllabus includes a detailed description of the topics covered in each chapter as well as the substance of the practical test. The key concepts and ...
The number of atoms in 0.1 mol of a triatomic gas is: The empirical formula of a compound is CH₂O. If its molar mass is 180 g/mol, what is its molecular formula?
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