8-sinf Kimyo olimpiada №3

Yanvar 3, 2023Yanvar 3, 2023 InfoMaster fikr bildirilmagan.

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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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1 tonna sulfatkislota ishlabchiqarishuchunnecha kilogram pirit kerak bo’ladi?

1224

306

612

918

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Elektron formulasi 3d¹⁰4s²bo’lgan element qaysi davrva guruhda joylashgan?

4 davr II guruh

5 davr II guruh

4 davr I guruh

3 davr I guruh

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C

B

A

D

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B

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A

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D

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B

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B

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D

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A

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