You are provided with the following chemicals:
[Copper, Lead, Sodium hydroxide, Zinc, Copper oxide, Lead carbonate, Sodium carbonate solution, Dilute hydrochloric acid, Dilute nitric acid and Dilute sulphuric acid.]
From the above list, name the chemicals which you would use to prepare each one of the following salts:
Sodium sulphate

Explanation

To prepare sodium sulfate (Na2SO4) from the provided list of chemicals, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Required Elements**: Sodium sulfate is composed of sodium (Na) and sulfate (SO4). Therefore, we need a source of sodium and a source of sulfate.

2. **Select the Source of Sodium**: From the list, we have sodium hydroxide (NaOH) as a source of sodium.

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