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化学反応式

Authored by 恒 川田

Chemistry

9th - 12th Grade

Used 8+ times

化学反応式
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

( )H2+( )Cl2 → ( )HCl
( )に当てはまる数字は?

1 2 1

2 2 1

1 1 2

2 1 2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

( )CO+( )O2 → ( )CO2

( )に当てはまる数字は?

1 1 2

2 1 2

2 2 1

1 2 1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

( )N2+( )H2 → ( )NH3

( )に当てはまる数字は?

1 3 2

2 3 2

1 2 3

3 1 2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

C2H4+( )O2 → ( )CO2+( )H2O

( )に当てはまる数字は?

2 2 2

3 2 2

2 2 1

4 2 2

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

次のうちから,化学変化と関係のあるものを1つ選べ

冷水を入れたコップの表面に水滴がつく

注射の前に,腕をアルコールで消毒すると,冷たく感じる

黒鉛Cを燃やすとCO2が生じる

寒い日に,池の水が凍った

水でぬれた洗濯物が乾く

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

( )H2S+( )SO2 →2H2O+( )S

Sの係数は?

7.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

反応によって生じた物質を何というか。漢字3字で答えよ。

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