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8-sinf Kimyo olimpiada №3

Yanvar 3, 2023

412 Ko'rishlar 0

SaqlashSaqlanganOlib tashlandi 0

1
Savollar

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Vaqtingiz tugadi!

8-sinf Kimyo olimpiada №3

30.12.2022 yil oo.uzedu.uz

Online olimpiada savollari!

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Osh tuzining qaynash haroratini aniqlang.

500°C

1413°C

50°C

90000°C

2 / 25

10% nitrat kislota hosil qilish uchun 30% 50g nitrat kislotaga qancha suv qo’shish kerak?

25g

100g

15g

70g

3 / 25

D

B

A

C

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D

B

C

A

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D

B

C

A

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A

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B

A

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A

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C

D

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A

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D

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C

B

D

A

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C

A

B

D

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A

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B

D

14 / 25

C

D

B

A

15 / 25

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A

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B

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A

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D

B

A

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A

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C

A

D

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