Quiz about Chemical Formula

Question 1

Chemical Formula used for Aluminium oxide is

Accepted Answer

Al2O3

Answer

AlO

Answer

AlO4

Answer

AlO2

Question 2

Chemical Formula used for Aluminium Chloride is

Accepted Answer

AlCl3

Answer

AlCl2

Answer

Al2Cl

Answer

AlCl

Question 3

CaCO₃represents

Accepted Answer

Calcium Carbonate

Answer

Sodium bicarbonate

Answer

Sodium carbonate

Answer

Sodium Chloride

Question 4

H₂SO₄ represents

Accepted Answer

Sulphuric Acid

Answer

Hydrochloric Acid

Answer

Nitric acid

Answer

Sulphurus Acid

Question 5

HCl represents

Accepted Answer

Hydrochloric Acid

Answer

Sulphuric Acid

Answer

Nitric acid

Answer

Chlorine gas

Question 6

MgO represents

Accepted Answer

Magnesium Oxide

Answer

Magnesium Hydroxide

Answer

Magnesium Chloride

Answer

Sodium Nitrate

Question 7

How many atoms of sulfur are in each molecule of H₂SO₄?

Accepted Answer

1

Answer

4

Answer

2

Answer

7

Question 8

How many atoms are there in the compound MgCO₃?

Accepted Answer

5

Answer

3

Answer

4

Answer

6

Question 9

Which of the following is a compound?

Accepted Answer

CO2

Answer

Co

Answer

O2

Answer

C

Question 10

Which elements are in this compound?

H₂O

Accepted Answer

hydrogen and oxygen

Answer

helium and oxide

Answer

water

Answer

waterium and oxygen

Question 11

What is the correct way to write the formula for the model of this compound?

Accepted Answer

H2O2

Answer

2H20

Answer

2H2O

Answer

2HO2

Question 12

How many atoms of iron does iron oxide (Fe₂O₃) contain?

Accepted Answer

2

Answer

1

Answer

3

Answer

5

Question 13

What is the total number of oxygen atoms in Ca₃(PO₄)₂?

Accepted Answer

8

Answer

2

Answer

4

Answer

6

Answer

40

Question 14

Which chemical formula could be represented by this sample?

Accepted Answer

H2

Answer

NaCl

Answer

C₆H₁₂O₆

Answer

Cu

Question 15

What is the chemical formula for glucose?

Accepted Answer

$$C_6H_{12}O_6$$

Answer

$$C_6H_6$$

Answer

$$C_2H_5OH$$

Answer

$$CH_4$$

Chemical Formula

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