Q4
1 markMCQSection A

Acid present in tomato is :

Acids, Bases and Salts
Naturally Occurring Acids

Options

(a)Methanoic acid
(b)Acetic acid
(c)Lactic acid
(d)Oxalic acid
Official Answer

The correct option is (d). The acid present in tomato is oxalic acid.

TomatoOxalic acidNatural source

Marking Scheme

  • 11 Mark for choosing the correct option (d).

Hint

Think of the organic acid commonly associated with tomatoes, which is different from the acid found in vinegar (acetic acid) or curd (lactic acid).

Quick Oral Answer

The organic acid present in tomatoes is oxalic acid.

Analysis & Explanation

Tomatoes are a natural source of oxalic acid (H2C2O4H_2C_2O_4).

  • Why Option (d) is correct: Oxalic acid is the organic acid naturally present in tomatoes.
  • Why Option (a) is incorrect: Methanoic acid (also known as formic acid) is found in ant stings and nettle stings.
  • Why Option (b) is incorrect: Acetic acid is the primary constituent of vinegar.
  • Why Option (c) is incorrect: Lactic acid is found in sour milk or curd.

Common Mistakes

  1. 1Confusing oxalic acid with citric acid (which is found in citrus fruits like lemons and oranges) or malic acid (found in apples).

Interesting Facts

Oxalic acid can bind with minerals like calcium in the body to form calcium oxalate, which is the primary constituent of most kidney stones.

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Frequently Asked Questions

How many marks does this question carry in CBSE Class 10 Science 2023?

This question carries 1 mark in the CBSE Class 10 Science 2023 examination.

Which chapter does this question come from in Science?

This question is from the chapter "Acids, Bases and Salts" in the CBSE Class 10 Science syllabus.

What topic does this question cover in Science?

This question covers the topic "Naturally Occurring Acids" from CBSE Class 10 Science.

What type of question is this in the CBSE Class 10 Science 2023 paper?

This is a MCQ question from Section A in the CBSE Class 10 Science 2023 paper.