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ජීවී පටක
2 Topics
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ප්රභාසංස්ලේශණය
3 Topics
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0/3 Steps
මිශ්රණ
4 Topics
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0/4 Steps
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0/3 Steps
ප්රකාශ විද්යාව
4 Topics
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මානව දේහ ක්රියාවලි
5 Topics
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0/5 Steps
අම්ල,භස්ම හා ලවණ
4 Topics
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තාපය
6 Topics
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0/6 Steps
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විද්යුත් රසායනය
3 Topics
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0% Complete
0/3 Steps
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