List any two observations when Ferrous Sulphate is heated in a dry test tube?

Explanation

To answer the question regarding the observations when Ferrous Sulphate (FeSO4) is heated in a dry test tube, we can break it down into the following steps:

### Step-by-Step Solution:

1. **Identify the Compound**:
- The compound in question is Ferrous Sulphate, which has the chemical formula FeSO4.

2. **Heating the Compound**:
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