Represent each of the following word equations with a balanced chemical equation.
Solid aluminium hydride is formed by a combination reaction of its two elements.

Explanation

To represent the formation of solid aluminium hydride through a balanced chemical equation, we can follow these steps:

### Step 1: Identify the Reactants
The reactants in this combination reaction are aluminium (Al) and hydrogen (H₂).

### Step 2: Write the Unbalanced Chemical Equation
The unbalanced chemical equation for the formation of aluminium hydride (AlH₃) from aluminium and hydrogen can be written as:
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