Non-metals do not react with dilute acids.

Explanation

### Step-by-Step Solution:

1. **Understanding Non-Metals**: Non-metals are elements that generally lack the properties of metals. They are typically poor conductors of heat and electricity and are not malleable or ductile.

2. **Reactivity with Dilute Acids**: The statement "Non-metals do not react with dilute acids" is true. Non-metals like carbon, sulfur, and phosphorus do not typically react with dilute acids to produce hydrogen gas or other products that metals would produce.

3. **Reactivity with Concentrated Acids**: While non-metals do not react with dilute acids, they can react with concentrated acids. For example, carbon can react with concentrated sulfuric acid (H2SO4) to produce carbon dioxide (CO2), sulfur dioxide (SO2), and hydrogen gas (H2).

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