The correct answer is (1) A, B and C.
- Statement A is correct. Acetylsalicylic acid is known as aspirin.
- Statement B is correct. The compound formed in the addition of oxygen to hemoglobin is called oxyhemoglobin.
- Statement C is correct. Chlorophyll is responsible for the synthesis of carbohydrates in plants.
- Statement D is incorrect. The metal ion present in vitamin B12 is cobalt, not magnesium.
Therefore, the only options that are correct are A, B and C.
Here is a breakdown of the statements:
- Statement A: Acetylsalicylic acid is known as aspirin.
- This statement is correct. Acetylsalicylic acid is a medication used to relieve pain, fever, and inflammation. It is also known as aspirin.
- Statement B: The compound formed in the addition of oxygen to hemoglobin is called oxyhemoglobin.
- This statement is also correct. Oxyhemoglobin is the compound formed when oxygen binds to hemoglobin. Hemoglobin is a protein in red blood cells that carries oxygen to the tissues.
- Statement C: Chlorophyll is responsible for the synthesis of carbohydrates in plants.
- This statement is also correct. Chlorophyll is a green pigment found in plants that absorbs light energy. This energy is used to synthesize carbohydrates from carbon dioxide and water.
- Statement D: The metal ion present in vitamin \(B_{12}\) is \(Mg^{2+}\).
- This statement is incorrect. The metal ion present in vitamin B12 is cobalt, not magnesium. Vitamin \(B_{12}|) is a water-soluble vitamin that is essential for the production of red blood cells.
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