Would you be able to check if water is hard by using a detergent?

Explanation

To determine whether water is hard or soft using a detergent, we need to understand the properties of detergents and soaps in relation to water hardness.

### Step-by-Step Solution:

1. **Understand Water Hardness**: Hard water contains dissolved minerals, primarily calcium and magnesium ions, which can affect the behavior of cleaning agents like soaps and detergents.

2. **Properties of Detergents**: Detergents are surfactants that can create lather or foam in both hard and soft water. This means that when you use detergent, it will produce bubbles regardless of the hardness of the water.

...