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شهرين

Authored by Abeer Omary

Science

8th Grade

شهرين
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical formula for magnesium chloride?

MgCl

MgCl2

Mg2Cl

MgCl3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What gas is produced when calcium reacts with hydrochloric acid?

Chlorine

Hydrogen

Oxygen

Carbon dioxide

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the bond formed between nitrogen and hydrogen atoms in ammonia?

Ionic bond

Covalent bond

Metallic bond

Hydrogen bond

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the gas produced when hydrochloric acid reacts with calcium carbonate?

Hydrogen

Chlorine

Carbon dioxide

Oxygen

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical formula for calcium oxide?

Ca2O

Ca2O3

CaO

CaO2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ما اسم الغاز الناتج من نبوب الاختبار؟

النيتروجين

الكربون

الهيدروجين

الأكسجين

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ما الدليلة على حدوث تفاعل في المنيوم الصلب مع حمض الكبريتيك؟

تطلق غاز

تكون رائحة كريهة

تغير لون الحمض

تشكل رغوة

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