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11-S1-2023

Authored by Theara Thy

Chemistry

2nd Grade

Used 4+ times

11-S1-2023
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1.គណនាភាគរយរបស់Znក្នុងZnSO₄។

40.73%

40.37%

40.75%

40.25%

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2.គណនាម៉ាសZnដែលមានក្នុង20gនៃZnSO₄។

8.07%

8.70%

8.74%

7.80%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3.គណនាម៉ាសCaក្នុង50gនៃCaCO₃។

10g

20g

25g

50g

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4.គណនាភាគរយCaក្នុងCaCO₃។

30%

40%

20%

100%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5.គេឱ្យស្ពាន់ធ័រ6gឆេះជាមួយអុកស៊ីសែន។គណនាម៉ាសស្ពាន់ធ័រឌីអុកស៊ីតទទួលបាន។

6g

12g

13g

32g

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6.នៅសីតុណ្ហភាពបន្ទប់ តើឧស្ម័នអុកស៊ីសែន0.3molត្រូវនឹងមាឌប៉ុន្មាន?

2.7L

7.2L

6.72L

7L

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

8.តើអាស៊ីតស៊ុលផួរិច(H₂SO₄) ០.5mol មានម៉ាសប៉ុន្មាន?

49g

46g

48g

50g

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