Identify the True/False statement
A few crystals of `KNO_(3)` are heated in a hard glass test tube and Nitrogen gas is obtained.

Explanation

To determine whether the statement "A few crystals of KNO3 are heated in a hard glass test tube and Nitrogen gas is obtained" is true or false, we need to analyze the thermal decomposition of potassium nitrate (KNO3).

### Step-by-step Solution:

1. **Understand the Compound**:
- Potassium nitrate (KNO3) is a chemical compound that contains potassium (K), nitrogen (N), and oxygen (O).

2. **Heating KNO3**:
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