Shofirkon tuman 1- umumiy o’rta ta’lim maktabining – “ ” sinf o`quvchisi

Sana: ___________________
5-Nazorat ishi.

Mavzu:Metallar va elektroliz mavzularini umumlashtirish. : Ishqoriy metallar. Soda ishlab chiqarish

Nazorat shakli:Test
1.Metallarning olinish usullari berilgan qatorni toping.
A)Pirometalurgik,gidrometalurgik, elektroliz.
B) Pirometalurgik,gidrometalurgik,elektrotermik.
S) elektrotermik,elektroliz.
D)Aktiv metallar ta’sirida, gidrometallurgik.
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 metallar berilgan 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.CuSO₄ eritmasi elektroliz qilinganda anodda qanday modda ajraladi?
A)Cu,H₂ B)H₂,O₂ S)Cu, O₂ D)O₂
11.Chili selitrasini formulasi berilgan qatorni toping.
A)KNO₃ B)NaNO₃ S)Na₂SO₄ D)K₂SO₄
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

16.Faradeyning 1-qonunini ta’rifi qanday? _____________________________________________________________________________________________________________________________________________________________________________________________________________________

17.Qaysi elementlar ishqoriy metallarga mansub? _____________________________________________________________________________________________________________________________________________________________________________________________________________________
18.Og’ir metallarga misollar keltiring. _____________________________________________________________________________________________________________________________________________________________________________________________________________________
Kompetentlikni aniqlash uchun materiallar:
19.Biz doimo foydalanadigan yoritgich lampochkasida qanday metallar borligi haqida bilib oldingiz? _____________________________________________________________________________________________________________________________________________________________________________________________________________________
20.O’zbekistonda mavjud bo’lgan qanday metall konlari haqida eshitgansiz?
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