Write balanced equation when powdered aluminium is boiled with caustic soda solution in presence of sodium nitrite.

Explanation

To write the balanced equation for the reaction when powdered aluminum is boiled with caustic soda solution in the presence of sodium nitrite, we can follow these steps:

### Step 1: Identify the Reactants
The reactants in this reaction are:
- Powdered aluminum (Al)
- Caustic soda (sodium hydroxide, NaOH)
- Sodium nitrite (NaNO2)

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