Malachite is an ore of

Options

A. iron
B. copper
C. mercury
D. zinc.

Explanation

**Step-by-Step Solution:**

1. **Identify Malachite**: Malachite is a mineral that is commonly known as an ore. It is important to determine the chemical composition of malachite to identify the metal it contains.

2. **Write the Chemical Formula**: The chemical formula of malachite is Cu₂CO₃(OH)₂. This indicates that malachite contains copper (Cu), carbonate (CO₃), and hydroxide (OH).

3. **Analyze the Components**: From the formula, we can see that the presence of "Cu" indicates that copper is one of the primary elements in malachite.

4. **Determine the Metal**: Since copper is present in the formula, we conclude that malachite is an ore of copper.

5. **Select the Correct Option**: If the question provides multiple-choice options and one of them is copper, we can confidently select that option as the correct answer.

**Final Answer**: Malachite is an ore of copper.

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