Frag’ona viloyati xokimligi xalq ta’lim vazirligi boshqarmasi

5. TUPROQ ERITMASI TARKIBIDA XLORIDNING BORLIGINI ANIQLASH
1. Maktab tajriba maydoni olingan tuproq namunasini suvga solib yaxshilab aralashtiring. Hosil bo’lgan loyqa “eritmani” filtirlang.
2. Filtirdan o’tgan ertmada xlor borligini tekshiring

Hisobot
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Sana………………………imzo………………………

6 . GALOGENLARNING BIRIKMALARI ERITMALARIDAN BIR –BIRINI SIQIB CHIQARISHI
1. Quyidagi jadvalni daftaringizga ko’chirib oling.

	NaCl	NaBr	NaJ
Cl2
Br2
J2

2. Ikkita brobirkaning biriga natriy bromid, ikkinchisiga natriy yodid eritmasidan 3-4 ml quying.

3. probirkalardagi eritmalar xlorli suvda 1-2 ml dan quyinb .sodir bolgan o’zgarishlani kuzating va reaksiya tenglamalarini yozing
4.probirkaga natriy yodid eritmasidan 3-4ml quying,uning ustiga bromli suvdan 1-2ml quying sodir bo’lgan o’zgarishlarni kuzting reaksiya tenglamalirini yozing.
5.ikkita probirkaga 3-4ml dan osh tuzi eritmasidan quying.probirkalarning biriga bromlik suvdan 1-2ml,ikkinchisiga yodning spitdagi eritmasidan 1-2ml quying o’zgarish sodir bo’ladimi?nima uchun?
Hisobot
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Sana………………………imzo………………………