1-Nazorat ishi

6-Nazorat ishi

Mavzu: Oddiy va murakkab moddalarning toifalanishi, oksidlar va asoslar haqida mavzularni

unumlashtirish.

Nazorat shakli: Yozma ish

1. Quyidagi moddalarni oksid va asoslarga ajrating hamda nomlarini yozing:

Na₂O, SO₃ , Zn (OH)_{2 ,} Al₂O₃ Cr(OH)₃ H₂O AgOH Ca(OH)₂ N₂O₅ P₂O₅ Ba(OH)₂

Mn₂ O₇ Al(OH)₃ KOH, Cu(OH)₂

2. Quyidagi oksid va gidroksidlarning molekular formularlarini yozing: aluminiy oksidi, natriy oksidi, fosfor (III) – oksidi, magniy gidroksidi, azot (I) – oksidi, simob (II) – oksidi, qalay (IV) – oksidi, temir (III)-oksidi, mis (II)-gidroksidi, xlor (V)-oksidi, bariy gidroksidi.

3. Quyidagi o’zgarishlarni amalga oshirish uchun kerak bo’ladigan reaksiya tenglamalarini yozing:

Cr®Cr₂O₃® CrCl₃®Cr(OH)₃ ® Cr₂O₃ ® Cr

4. 13 g aluminiy gidroksid hosil qilish uchun qancha aluminiy kerak bo’ladi?

(4,5 g Al)

Masalalarni yechilishi_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Nazorat ishining bali _________

7-Nazorat ishi