Comment on the statement that `"` colloid is not a substance but state of a substance `"`

Explanation

To comment on the statement "colloid is not a substance but a state of a substance," we can break down the explanation into several steps:

### Step-by-Step Solution:

1. **Understanding the Definition**:
- A colloid is a mixture where one substance of microscopically dispersed insoluble particles is suspended throughout another substance. It is important to distinguish between substances and states of substances.

2. **True Nature of the Statement**:
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