Free Printable Làm cho vui

Free Printable Worksheets

Worksheets

Làm cho vui

Total questions: 4

Worksheet time: 2mins

Name

Class

Date

1.

H2+O2+Cl

a)

HOHOCL

b)

HOHO

c)

H2O2Cl

d)

H2O2CL

2.

Hình thang ABCD có góc C=75 độ.Góc D=75 độ.Hỏi góc A bẳng bao nhiêu độ

a)

60 độ

b)

115 độ

c)

75 độ

d)

105 độ

3.

1 ô tô đứng yên trên 1 mặt đường.Hỏi có bao nhiêu lực tác dụng lên ô tô

a)

4

b)

5

c)

3

d)

2

4.

H2+02=

a)

H2O2

b)

OH

c)

HOHO

d)

H2O

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