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8-sinf Kimyo olimpiada №3

Yanvar 3, 2023

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8-sinf Kimyo olimpiada №3

30.12.2022 yil oo.uzedu.uz

Online olimpiada savollari!

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Laboratoriyada xlor gazi qanday moddalardan olinadi?

HCl, NaCl, KOH

KClO, HCl,KCl

KMnO₄, HCl, MnO₂

NaCl, H₂O

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Qaysi atomda juftlashmagan elektronlar ko’p?

Br

Ni

Mn

O

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D

A

C

B

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D

A

C

B

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B

A

C

D

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C

A

D

B

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D

A

C

B

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C

B

D

A

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B

D

A

C

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A

D

C

B

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D

A

B

C

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C

D

B

A

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A

D

C

B

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B

A

C

D

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D

B

C

A

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D

C

B

A

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B

C

A

D

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B

A

D

C

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C

D

B

A

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C

D

B

A

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B

A

C

D

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D

A

B

C

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B

C

D

A

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D

A

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D

B

C

A

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