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Topic

Everyday chemistry

Asked 2 times in CDS, peaking in 2020.
2
PYQs
1
Exams
1
Years active
2020–2020
Span
2020
Peak
2/2
Answers
📅 Full chronological timeline →

Key insights

  • Most tested in CDS — 2 of 2 PYQs
  • Most asked in 2020
  • Recurs across 1 years (2020–2020)

Across exams

CDS · 2

How the concept evolved

220
Rising — more than half its appearances (2 of 2) are since 2016.

Sample questions

You've seen the pattern — here are a few of the actual PYQs.
CDS2020

Match List-I with List-II and select the correct answer using the code given below the Lists

List I (Compound)List II (Use)
A. Boric acid1. Antiseptic
B. Citric acid2. Food preservative
C. Magnesium hydroxide3. Antacid
D. Acetic acid4. Pickle

Codes:

  1. A A-1 B-2 C-3 D-4 ✓
  2. B A-1 B-3 C-2 D-4
  3. C A-4 B-3 C-2 D-1
  4. D A-4 B-2 C-3 D-1
✓ Correct answer: (A)
Science & Technology › Physics & Chemistry
CDS2020
Mahatma Gandhi's Dandi March, a great event in Indian freedom struggle, was associated with
  1. A iron
  2. B sodium chloride ✓
  3. C sulphur
  4. D aluminium
✓ Correct answer: (B)
Science & Technology › Physics & Chemistry

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