Azotning massa ulushi 30,43% va kislorodning massa ulushi 69,56% bo‘lgan birikma formulasini ko‘rsating.

Javob:   A

Ushbu nazorat bilan boshqa vazifalar

Nazorat: 7-sinf kimyo 2-CHSB

1 2 3 4 5 6 7 8 9 10

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U erda biz BSB, CHSB, maktab imtihonlari, DTM variantlari va boshqalarning echimlarini nashr etamiz.

Imtihon Javoblari

9 sinf
11 sinf

BSB Javoblari

5 sinf
6 sinf
7 sinf
8 sinf
9 sinf
10 sinf
11 sinf

CHSB Javoblari

5 sinf
6 sinf
7 sinf
8 sinf
9 sinf
10 sinf
11 sinf