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Free Printable Worksheets

Worksheets

hải đăng

Total questions: 24

Worksheet time: 15mins

Name

Class

Date

1.

hóa trị Cr

a)

2

b)

4

c)

3

d)

1

2.

hóa trị cl

a)

1

b)

2

c)

3

d)

4

3.

hóa trị Cu

a)

2

b)

3

c)

1

d)

4

4.

Pb

a)

2

b)

1

c)

4

d)

3

5.

fe

a)

1

b)

4

c)

2

d)

3

6.

zn

a)

2

b)

4

c)

6

d)

1

7.

s

a)

2

b)

4

c)

6

d)

3

8.

c

a)

1

b)

5

c)

2

d)

4

9.

mn

a)

2

b)

3

c)

7

d)

4

10.

na

a)

1

b)

7

c)

3

d)

6

11.

hg

a)

2

b)

4

c)

1

d)

3

12.

al

a)

3

b)

7

c)

1

d)

4

13.

ca

a)

2

b)

3

c)

4

d)

1

14.

k

a)

1

b)

4

c)

2

d)

3

15.

br

a)

2

b)

5

c)

1

d)

6

16.

ag

a)

1

b)

4

c)

7

d)

3

17.

p

a)

3

b)

5

c)

6

d)

4

18.

mg

a)

2

b)

4

c)

7

d)

3

19.

n

a)

2

b)

5

c)

4

d)

3

20.

cacl2 tan đc ko

a)

có

b)

ko

21.

al(oh)3

a)

tan

b)

ko tan

22.

na và k

a)

tất cả đều tan

b)

ko tan

23.

mgso4

a)

tan

b)

ko tan

24.

hóa trị H

a)

1

b)

5

c)

7

d)

9

Reset

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