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7 grade bjb 3 term

Authored by Ulan Rakhmanov

Chemistry

1st Grade

Used 5+ times

7 grade bjb 3 term
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20 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

True/ False : Given lab instruction below : Do not touch chemicals with your fingers

True

False

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

True/False: Given lab instruction below

Tie short hair

No

Yes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given lab instruction, finish it correctly:

Wear gloves when ……

heat

cold

warm

fast

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which one of the following is elements?

Helium gas, Gold, Silver

Air, Mercury, Water

Water, Magnesium, Salt

Salt, Oxygen gas, Soup

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which one of the following is compound?

sugar in liquid, Iron

salty water and hydrogen gas

carbon dioxide gas and salat

Water and salt

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Given type of changes:

Burning wood

Which one of the following is correct?

Chemical change

Physical change

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Given type of changes:

Souring milk

Which one of the following is correct?

Chemical change

Physical change

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