糖心Vlog

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糖心Vlog

Last updated

11 August 2026

docx, 41.04 KB
docx, 41.04 KB

GCSE Chemistry worksheet on conservation of mass with answers, covering chemical formulae, subscripts, coefficients, atom counting and balanced equations. Questions focus on how the law of conservation of mass applies to chemical reactions, how multipliers affect atom numbers, and why equations must be balanced. Suitable for KS4 / GCSE Chemistry lesson practice, homework, retrieval or revision. Includes the student worksheet and answers for quick marking and feedback.

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