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國中自然2上2-2

Authored by Tang Da

Fun

7th - 9th Grade

Used 60+ times

國中自然2上2-2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

糖水或鹽水其實就是糖或鹽的水溶液。而其中的糖或鹽扮演什麼角色?

溶質
溶劑
溶液
以上皆是

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

黑糖水中,水扮演了什麼樣的角色?

溶質
溶劑
溶液
以上皆是

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

下列物質中,何者不屬於溶液?

汽水
冰水
糖水
碘酒

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

下列何者屬於水溶液?

40%的高粱酒
16K金
碘酒
潮溼的空氣

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

實驗桌上有一瓶100公克、重量百分率濃度為30%的食鹽水,小惠將杯中溶液倒去50公克,則剩下的溶液中,含有多少公克的溶質?

15
20
25
30

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

從30%食鹽水溶液300毫升中取出100毫升,則剩下200毫升溶液的重量百分率濃度應為多少?

0.1
0.15
0.2
0.3

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

某品牌營養液標示含鈣40 ppm,其意義為每1,000,000毫克之營養液中,含有多少毫克鈣?

4
40
0.04
0.004

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