`X’ melts at low temperature and is a bad conductor of electricity in both liquid and solid state. X is:

Options

A. Carbon tetrachloride
B. Silicon carbide
C. Zinc sulphide
D. Mercury

Explanation

To solve the question, we need to identify the substance 'X' based on the given properties: it melts at low temperature and is a bad conductor of electricity in both liquid and solid states.

### Step-by-Step Solution:

1. **Understanding the Properties**:
- The substance melts at low temperature.
- It is a bad conductor of electricity in both solid and liquid states.

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