Which of the following does not participate in the solvay's process for the manufacture of `Na_(2)CO_(3)` ?

Options

A. `NH_(3)`
B. `H_(2)SO_(4)`
C. `CO_(2)`
D. `NaCl`

Explanation

To determine which substance does not participate in the Solvay process for the manufacture of sodium carbonate (Na₂CO₃), we can follow these steps:

### Step 1: Understand the Solvay Process
The Solvay process is an industrial method for producing sodium carbonate from sodium chloride (NaCl), ammonia (NH₃), and carbon dioxide (CO₂). It is also known as the ammonia-soda process.

### Step 2: Identify the Key Reactants
The main reactants involved in the Solvay process are:
- Sodium chloride (NaCl)
- Ammonia (NH₃)
- Carbon dioxide (CO₂)

### Step 3: Analyze the Options
We need to identify which of the given options is not used in the Solvay process. The options typically include:
- A) NaCl
- B) H₂SO₄
- C) NH₃
- D) CO₂

### Step 4: Determine the Non-Participating Substance
From our understanding of the Solvay process:
- NaCl is used as a source of sodium.
- NH₃ is used to create an alkaline environment.
- CO₂ is used to react with the ammonia and sodium chloride to form sodium bicarbonate (NaHCO₃).

However, sulfuric acid (H₂SO₄) is not involved in the Solvay process. Therefore, it does not participate in the manufacture of Na₂CO₃.

### Final Answer
The substance that does not participate in the Solvay process for the manufacture of Na₂CO₃ is **H₂SO₄** (option B).

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