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光與言7/19統一小考

Authored by 張柏瑜 張柏瑜

Science

8th - 9th Grade

Used 5+ times

光與言7/19統一小考
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20 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列四種液體的性質,誰最可能為混合物?

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3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

子憨同學想要配置重量百分率為25%的食鹽水,他需要在1200mL的水中加入多少克的食鹽?

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

國際大導馮先生為了防疫自行調配10公斤,2000ppm的次氯酸水消毒液,則此消毒液中含有多少公克的次氯酸?

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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甲:雙氧水;乙:二氧化錳

甲:雙氧水;乙:大理石

甲:稀鹽酸;乙:二氧化錳

甲:稀鹽酸;乙:大理石

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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1090×100%\frac{10}{90}\times100\%

10100×100%\frac{10}{100}\times100\%

20100×100%\frac{20}{100}\times100\%

20110×100%\frac{20}{110}\times100\%

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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甲:28%;乙:17%

甲:28%;乙:20%

甲:33%;乙:17%

甲:33%;乙:20%

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