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Answer: Ascorbic acid is also referred to as Vitamin C. It is present in the same compound as citric acid. Citric acid-rich substances also contain ascorbic acid. Thus, the correct answer is option A. Citrus Fruits and D. Lemons.
Complete Answer:
Ascorbic acid, also called Vitamin C, is mainly found in citrus fruits such as oranges, lemons, limes, and grapefruits. So, the correct answers are: Option A: Citrus Fruits and Option D: Lemon.
These are both correct because lemons are a type of citrus fruit and naturally rich in both citric acid and Vitamin C.
Option B: Ant’s sting contains formic acid (also called methanoic acid). The word ‘formic’ comes from the Latin word formica, meaning ant.
Option C: Spinach contains oxalic acid, not Vitamin C. Oxalic acid helps the body absorb Ca2+ ions.
Therefore, the correct answers are Option (A) citrus fruits and Option (D) lemon.
Additional Information:
Citric Acid is a weak organic acid found in citrus fruits. It’s not harmful and is often used:
- In cooking, to give a sour or tangy taste.
- To keep fruits and vegetables from turning brown.
- In packed meat to keep its colour fresh.
- In cheese and candy for better texture and shelf life.
Ascorbic Acid (Vitamin C) is a vital nutrient. Our body cannot make it on its own, so we must get it from our diet (like fruits and vegetables).
Why is Vitamin C important?
- Helps heal wounds and repair skin.
- Helps make collagen, a protein needed for healthy skin, bones, and cartilage.
- Acts as a strong antioxidant—it protects our body from damage caused by free radicals (harmful molecules formed during digestion or due to pollution and smoke).
Conclusion: Vitamin C, often known as ascorbic acid, is a type of water-soluble vitamin. Deficiency causes an illness known as ‘ scurvy’. This condition’s symptoms include anaemia, weakness, gum disease, and skin problems.
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