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تحصيلي 7

Authored by Shaden Khaled

Chemistry

12th Grade

Used 3+ times

تحصيلي 7
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

عدد المولات في 9 جم من الماء

(H=1 , O=16 )

1.5 mol

2 mol

0.5 mol

1 mol

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

عدد جزيئات النيتروجين في 28 جرام منه

( N =14 )

6.02x1024

6.02x1023

3.01x1023

1.5x1023

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Br2 كتلة 0.5 مول من البروم

(Br =80)

120 g

60 g

80 g

40 g

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

كم ذرة نحاس في 2 مول منه

1.2x1024

6.02x1024

3.01x1023

6.02x1023

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

كم مول في 66 جم من ثاني أوكسيد الكربون

(C=12 , O=16 )

2 mol

1.5 mol

1 mol

0.5 mol

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