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107國中自然2下_3-4

Authored by Yu Liu

Other

7th - 9th Grade

Used 5+ times

107國中自然2下_3-4
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

小杰以廣用試紙測試四種溶液的酸鹼度,則下列四種溶液中,何者可以使廣用試紙呈現黃色?

石灰水

氨水

氫氧化鈉水溶液

稀鹽酸

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4 M的鹽酸2公升,倒掉0.5公升之後,試問鹽酸的濃度將變為多少M?

4

3

2

1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在純水中加入哪一種物質後,可使酚酞指示劑呈紅色反應?

醋酸

食鹽

氫氧化鈉

汽水

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何者不能用以檢驗物質的酸鹼性?

廣用試紙

石蕊試劑

氯化亞鈷試紙

pH計

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

廣用試紙在中性溶液中會呈何種顏色?

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如果將原本12 M的濃鹽酸1公升加水稀釋成3公升,則稀釋後的鹽酸溶液濃度為多少M?

6

4

3

2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列日常生活經常接觸的液體中,何者在常溫時的pH值大於7?

肥皂水、氨水

食醋、檸檬汁

糖水、食鹽水

尿液、胃液

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