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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

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Laboratoriyada xlor gazi qanday moddalardan olinadi?

KMnO₄, HCl, MnO₂

HCl, NaCl, KOH

NaCl, H₂O

KClO, HCl,KCl

2 / 25

Chili selitrasini aniqlang.

KNO₃

Ca(NO₃)₂

NaCl

NaNO₃

3 / 25

D

C

A

B

4 / 25

D

B

A

C

5 / 25

B

D

A

C

6 / 25

C

A

B

D

7 / 25

A

C

D

B

8 / 25

C

D

B

A

9 / 25

A

C

B

D

10 / 25

A

C

B

D

11 / 25

D

B

A

C

12 / 25

D

C

B

A

13 / 25

D

C

A

B

14 / 25

B

D

A

C

15 / 25

A

C

B

D

16 / 25

D

B

A

C

17 / 25

B

D

C

A

18 / 25

C

D

A

B

19 / 25

B

C

D

A

20 / 25

D

C

A

B

21 / 25

C

A

B

D

22 / 25

D

A

C

B

23 / 25

C

B

A

D

24 / 25

D

C

B

A

25 / 25

D

A

B

C

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