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(NO
3
)
2
= B)Pb+NaNO
3
= S)Hg(NO
3
)
2
+Cu=
D)Cu(NO
3
)
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.CuSO
4
eritmasi elektroliz qilinganda anodda qanday modda ajraladi?
A)Cu,H
2
B)H
2
,O
2
S)Cu, O
2
D)O
2
11.Chili selitrasini formulasi berilgan qatorni toping.
A)KNO
3
B)NaNO
3
S)Na
2
SO
4
D)K
2
SO
4
8
12.AgNO
3
eritmasi 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*10
23
B)5,01*10
23
S)6,02*10
23
D)3,01*10
23
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?
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17.Qaysi elementlar ishqoriy metallarga mansub?
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18.Og’ir metallarga misollar keltiring.
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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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