Chemistry

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[1] শেওলা থেকে জ্বালানি

[2] Laws of Thermochemistry

[3] Ebola VIRUS

[4] Nobel Prize in Chemistry 2014

[5] CFCs (Chlorofluorocarbons)

[6] Formalin..................

[7] How CFCs affect environment

[8] The Ozone Hole-Chlorofluorocarbons or CFCs

[9] Depletion of the Ozone Layer

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