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Long

Authored by Văn Trung Nguyễn

Mathematics

11th Grade

Used 4+ times

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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Câu 1. Dung dịch Na2CO3, tác dụng được v ớ i dung dịch nào sau đây?

А . КОН

CaCl2

Na2SO4

KNO3

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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