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A/L Chemistry MCQ Explanation (2019-2009) Private

2 months ago Learning Colombo 55 views

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A/L chemistry English medium MCQ paper explanation over past10 years.

Provided as PDF file for downloading

Publisher got a PhD in chemistry (University of Otago, NewZealand), working as a senior research officer in government institute.

Ravindra Nalaka (PhD, NZ)