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8-sinf Kimyo olimpiada №3

Yanvar 3, 2023

68 Ko'rishlar 0

SaqlashSaqlanganOlib tashlandi 0

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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?

KClO, HCl,KCl

HCl, NaCl, KOH

NaCl, H₂O

KMnO₄, HCl, MnO₂

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Chili selitrasini aniqlang.

Ca(NO₃)₂

KNO₃

NaNO₃

NaCl

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A

C

D

B

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B

D

A

C

5 / 25

C

D

B

A

6 / 25

D

A

B

C

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A

D

C

B

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C

A

B

D

9 / 25

C

A

B

D

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B

D

A

C

11 / 25

C

D

A

B

12 / 25

A

D

C

B

13 / 25

D

C

B

A

14 / 25

B

A

D

C

15 / 25

D

B

A

C

16 / 25

C

B

D

A

17 / 25

B

C

D

A

18 / 25

A

C

D

B

19 / 25

C

D

A

B

20 / 25

C

A

B

D

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A

C

B

D

22 / 25

B

A

D

C

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D

A

C

B

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D

B

C

A

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A

B

D

C

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