初中化学

初中化学

5th Grade

15 Qs

quiz-placeholder

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初中化学

初中化学

Assessment

Quiz

Chemistry

5th Grade

Practice Problem

Hard

Created by

刘会杰07 J3Z (¯口¯)

Used 15+ times

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15 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 5 pts

碳酸钙

2.

FILL IN THE BLANK QUESTION

1 min • 5 pts

水电解的方程式

3.

FILL IN THE BLANK QUESTION

1 min • 5 pts

氢氧化钙

4.

FILL IN THE BLANK QUESTION

1 min • 5 pts

双氧水

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

二氧化碳密度比空气?

6.

MULTIPLE SELECT QUESTION

45 sec • 5 pts

哪些盐易溶于水

钾盐

钠盐

铵盐

硝酸盐

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

以下哪项化学式错误?

NaOH

BaSO4

Ca(HCO3)2

KMnO

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