Which of the statements given below is/are correct?_x000D_ 1. chloride of calcium_x000D_ 2. bicarbonate of calcium_x000D_ 3. sulphate of magnesium_x000D_ 4. bicarbonate of magnesium_x000D_ Select the correct answer using the code given below:

• A. 1 and 3 only
• B. 1 only
• C. 2 and 4
• D. 1, 2 and 3