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國中自然2下3-3_

Authored by Tang Da

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7th - 9th Grade

Used 67+ times

國中自然2下3-3_
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 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

1 min • 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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

甲溶液可使紅色石蕊試紙變藍色,乙溶液可使廣用試劑呈黃色,將甲溶液、乙溶液、純水三者的pH值,依大小順序排列,何者正確?

甲>乙>純水
甲>純水>乙
乙>甲>純水
乙>純水>甲

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

廣用試紙在中性溶液中會呈何種顏色?

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

人的胃酸pH值小於3,用廣用試紙檢測會接近何種顏色?

橙色
綠色
藍色
紫色

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列生活常見物質中,何者屬於酸性物質?

蘇打水、蒸餾水、食鹽水
檸檬汁、汽水、食醋
蒸餾水、氨水、石灰水
食鹽水、蒸餾水、檸檬汁

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列何者可用來判定水溶液是否為酸性?

水溶液只含有H+
水溶液只含有OH-
水溶液中[H+]>[OH-]
水溶液中[H+]<[OH-]

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