Free Printable 7-sinf II-chorak

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7-sinf II-chorak

Total questions: 5

Worksheet time: 3mins

Name

Class

Date

1.

Kimyoviy elementlar necha turga bo'linadi?

a)

1

b)

2

c)

3

d)

4

2.

Bu olim kim?

a)

Mendeleyev

b)

Butlerov

c)

Berselius

d)

Vyoler

3.

Kimyoviy elementlar davriy sistemasi qachon kashf qilingan?

a)

1969-yil

b)

1834-yil

c)

1869-yil

d)

1967-yil

4.

Bu qaysi metall?

a)

Na

b)

Li

c)

Mg

d)

Ca

5.

Tartib raqami 13 bo'lgan elementni toping?

a)

Al

b)

K

c)

Mg

d)

Na

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