Both copper carbonate and copper hydroxide are present in :-

Options

A. malachite
B. azurite
C. chalcopyrite
D. Both (1) and (2)

Answer

To solve the question of which options contain both copper carbonate and copper hydroxide, we can follow these steps:

### Step 1: Identify the compounds
We need to identify the chemical formulas for copper carbonate and copper hydroxide.
- Copper carbonate: \( \text{CuCO}_3 \)
- Copper hydroxide: \( \text{Cu(OH)}_2 \)

### Step 2: Analyze the options
We will analyze each option provided to see if both compounds are present.

#### Option A: Malachite
- Malachite is known to have the formula \( \text{Cu}_2\text{CO}_3(\text{OH})_2 \).
- This indicates that it contains both copper carbonate and copper hydroxide.

#### Option B: Azurite
- Azurite has the formula \( 2\text{CuCO}_3 \cdot \text{Cu(OH)}_2 \).
- This also indicates that it contains both copper carbonate and copper hydroxide.

#### Option C: Chalcopyrite
- Chalcopyrite has the formula \( \text{CuFeS}_2 \).
- This does not contain either copper carbonate or copper hydroxide.

### Step 3: Conclusion
From our analysis:
- Both Malachite (Option A) and Azurite (Option B) contain copper carbonate and copper hydroxide.
- Chalcopyrite (Option C) does not contain either compound.

Thus, the correct answer is that both copper carbonate and copper hydroxide are present in options A and B.

### Final Answer:
The correct options are A (Malachite) and B (Azurite).

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