7-GALOGENLARNING SUVDA VA ORGANIK ERITUVCHILARDA ERISHI
1.probirkaga yod kristallaridan 3-4 bo’lak solib,ustiga 1-2 ml suv quyib aralashtiring.yodning suvda erishini kuzating.. so’ngra yodning suvli eritmasiga 1-2 ml benzol quying.probirkani chayqating.tindiring .sodir bo’lgan o’zgarishlarni kuzating .probirkani hosil bo’lgan ikkita qatlam:suvli va benzol qatlamining rangiga e’tibor bering .
Yodning suvdagi va organik erituvchi ------benzoldagi eruvchanligi haqida fikringizni bildiring.
Hisobot
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Sana………………………imzo………………………
8.OLTINGUGURT VA UNING TABIIY BIRIKMALARI NAMINALARI BILAN TANISHISH
Sizga o’qituvchi tomonidan berilgan oltingigurt va uning tabiiy birikmalati namunalari bilan tanishing.quyidagi jadvalni daftaringizga ko’chirib oling va to’ldiring.
No
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Namuna nomi
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Kimyoviy formilasi
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Nisbiy molekiuar massasi
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Tashqi ko’rinishi
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Suda eruvchaligi
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1
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Oltingugurt
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2
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Pirit
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|
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3
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Rux aldamasi
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|
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|
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4
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Gips
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|
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|
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Hisobot
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Sana………………………imzo………………………
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