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Reem Bakr
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Cairo, Egypt
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Experimental techniques
Experimental techniques
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Experimental techniques
Experimental techniques
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Chromatography windows 8
Chromatography windows 8
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Scientific enquiry
Scientific enquiry
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Lab safety rules, safety symbols and tools
Lab safety rules, safety symbols and tools
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Classroom rules and intro. to chemistry igcse (ext.)
Classroom rules and intro. to chemistry igcse (ext.)
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