Mavzu: Metallar va elektroliz mavzularini umumlashtirish

Sana
5-Nazorat ishi. Mavzu:Metallar va elektroliz mavzularini umumlashtirish.
Nazorat shakli:Test
1.Noyob metallar berilgan qatorni toping.
A)Ag,Au,Pt,Pd. B)Ag,Cu,Au,Sn. S)Mo,V,K,Zn D)U,vv,Ra
2.Nodir metallar berilgan qatorni toping.
A)Ag,Au,Pt,Pd. B)Ag,Cu,Au,Sn. S)Mo,V,K,Zn D)Li,K,Na,Ca
3.Projektor va reflector tayyorlashda ishlatiladigan metallarni qatorni toping.
A)Au,Cu B)In,Au S)Au,Ag D)Fe,Al
4.Eng quyi suyuqlanish haroratiga ega bo’lgan metall qaysi?
A)Hg B)Au S)Cu D)In
5.Metallarning aktivlik qatorini tuzgan olim kim?
A)A.M.Butlerov B)N.N.Beketov S)A.Lavuaze D)K.Vinkler
6.Qaysi reaksiya amalda bormaydi?
A)Zn+Pb(NO₃)₂= B)Pb+NaNO₃= S)Hg(NO₃)₂+Cu= D)Cu(NO₃)₂+Na=
7.22,4gr Fe zanglashi uchun (n.sh.da)necha l kislorod kerak?
A)22,4l B)6,72l S)67,2l D)4,48l
8.Elektroliz qonunlarini yaratgan olim kim?
A)M.Faradey B)A.M.Butlerov S) N.N. Beketov D)G.Shtall
9.Faradey soni nechaga teng? A)96500 B)965 S)9650 D)6,02
10.Chili selitrasini formulasi berilgan qatorni toping.
A)KNO₃ B)NaNO₃ S)Na₂SO₄ D)K₂SO₄
11.Katodda sodir bo‘ladigan jarayon
A) Cu2+ + 2ē=Cu0 B) 2I– – 2ē=I2 S) 2CL– – 2ē  CL2
12.AgNO₃eritmasi orqali 6A tok 30 minut davomida o’tkazilganda qancha kumush ajralib chiqadi? A)12gr B)14gr S)6gr D)3gr
13. 13,5 gr aluminiyda nechta atom bor?
A)7.02*10²³ B)5,01*10²³ S)6,02*10²³ D)3,01*10²³
14.Passiv metallar keltirilgan qatorni toping.
A)Cu,Hg,Ca B)Cu, Ag, Au S)Na,K, Zn D)Zn,Ag ,Au
15. X qaysi element bo’lishi kerak?
A)Cr B) Fe S) Cd D) Au

Kompetentlikni aniqlash uchun materiallar:

19.Biz doimo foydalanadigan yoritgich lampochkasida qanday metallar borligi haqida bilib oldingiz?_______________________________________________
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20.O’zbekistonda mavjud bo’lgan qanday metall konlari haqida eshitgansiz?

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