Toyloq tumani tabiiy fanlar metodisti: Egamberdiyev B. Samarqand-2020 So’z boshi

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Javob
Ball
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2-Nazorat ishi.

Mavzu: Modda miqdori Avogadro qonuni. Gazlar aralashmasi .Ekvivalent Mendeleyev-Klayperon tenglamasi.

Nazorat shakli:Yozma.

I-variant.

1.4,48l xlorning molekulalar sonini toping.

2.Kislorodga nisbatan zichligi 2ga teng bo’lgan gazning havoga nisbatan zichligini toping.

3.3,6gr metal oksidining vodorod bilan qaytarilishi natijasida 0,81gr suv hosil bo’ldi.Metallning ekvivalent massasini hisoblang.

4.Hajmi 20l bo’lgan idishda uglerod (IV)-oksid 22⁰C da va 500kPa bosimda saqlanadi.Uning miqdorini (mol)hisoblab toping.

Kompetentlikni aniqlash uchun materiallar:

5.O’zingiz biladigan gazlardan 2tasini havoga va vodorodga nisbatan zichligini aniqlang.
II-variant.

1.8,96l karbonat angidridning massasini hisoblang.

2.Havoga nisbatan zichligi 1,59ga teng bo’lgan gazning vodorodga nisbatan zichligini hisoblang.

3.0,2gr kislorod va 3,17g galogen bilan bir xil miqdorda birikadi.Galogenning ekvivalent massasini aniqlang.

4.15⁰C va 100,7kPa bosimdagi 4l vodorodning massasini toping.

Kompetentlikni aniqlash uchun materiallar:

5.O’zingiz biladigan gazlardan 2tasini havoga va vodorodga nisbatan zichligini aniqlang.

MASALA YECHIMLARI______ VARIANT.

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3- Nazorat ishi

Mavzu: Kuchli va kuchsiz elektrolitlar. Dissotsiyalanish.Gidroliz.

Nazorat shakli: Yozma ish.

I-variant.

1.Kislotali muhitga ega bo’lgan moddalarga misollar yozing.

2.Dissotsialanish darajasi 95% gat eng bo’lgan elektrolitning 120 ta molekulasini nechtasi dissotsialanishi mumkin?

3.K₂SO₄+H₂O=………….. reaksiyani davom ettiring.Qisqa va to’liq ionli tenglamasini yozing.

4. 5. 2 l 0,5 M li sirka kislota eritmasidagi atsetat (CH₃COO–) ionlari

sonini toping. (α =0,2 %)

Kompetentlikni aniqlash uchun materiallar:

5.O’zingiz biladigan moddalardan kuchsiz elektrolitlarga misollar keltiring.

II-variant.

1.Ishqoriy muhitga ega bo’lgan moddalarga misollar yozing.

2. MgSO₄ning dissotsialanish darajasi 12,5% bo’lib, dissotsialangan molekulalar soni 15 ta bo’lsa,eritilgan molekulalar sonini toping.

3. 200 ml 0,5 M li chumoli kislota eritmasidagi formiat (HCOO–)

ionlari sonini toping. (α =0,1 %)

4.Al(NO₃)₃+H₂O=……………… reaksiyani davom ettiring.Qisqa va to’liq ionli tenglamasini yozing.

Kompetentlikni aniqlash uchun materiallar:

5.Kundalik turmushda ovqat qilganimizda suvga tuz solamiz bu gidrolizni qaysi turiga kiradi?(reaksiya tenglamasini yozing.