Question

Write down the chemical formulae of ; Potassium hydroxide, Calcium chloride, Sodium oxide, Ammonium chloride.​

Answer 1

Answer:

• KOH
• CaCl2
• Na2O
• NH4Cl

Explanation:

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Answer 2

                   Answer

$\bigstar$ Chemical formula of Potassium hydroxide is KOH.

$\bigstar$ Chemical formula of  Calcium chloride is CaCl₂.

$\bigstar$ Chemical formula of Sodium oxide is Na₂O.

$\bigstar$ Chemical formula of Ammonium chloride is NH₄Cl .

Explanation:

• Chemical Formula is the symbolic representation of atoms of molecules or compounds.
• There are three main types of chemical formulae :-

         Molecular, Empirical and Structural Formula .

Ten Commonly used Chemical Formulas

1) Water - H₂O

2) Oxygen - O₂

3) Ammonia - NH₃

4) Carbon dioxide - CO₂

5) Carbon monoxide - CO

6) Chlorine - Cl₂

7) Hydroxide - OH⁻

8) Sulfuric acid - H₂SO₄

9) Hydrochloric acid - HCl

10) Methane - CH₄