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Practise 20.3 小測試20.3

Authored by 實習老師1 1

Chemistry

9th Grade

Used 4+ times

Practise 20.3 小測試20.3
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6 questions

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1.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Work out the oxidation number of the underlined element in each of the following chemical species.

計算下列每個化學物種中畫有底線的元素的氧化數。

SO2 

2.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Work out the oxidation number of the underlined element in each of the following chemical species.

計算下列每個化學物種中畫有底線的元素的氧化數。

KHSO4

3.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Work out the oxidation number of the underlined element in each of the following chemical species.

計算下列每個化學物種中畫有底線的元素的氧化數。

O2F2

4.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Work out the oxidation number of the underlined element in each of the following chemical species.

計算下列每個化學物種中畫有底線的元素的氧化數。

Na3PO4

5.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Work out the oxidation number of the underlined element in each of the following chemical species.

計算下列每個化學物種中畫有底線的元素的氧化數。

MnO4-

6.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

Work out the oxidation number of the underlined element in each of the following chemical species.

計算下列每個化學物種中畫有底線的元素的氧化數。

[CuCl4]2-

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