Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CAPF2024
Which one among the following statements with respect to the atomic number of an atom is correct?
- A The number of neutrons is same as atomic number
- B The sum of electrons and neutrons is same as atomic number
- C The number of protons is same as atomic number ✓
- D The sum of protons and neutrons is same as atomic number
✓ Correct answer: (C)
Science & Technology › Physics & Chemistry
CAPF2024
Match List I with List II and select the correct answer using the code given below the Lists
| List I (Element) | List II (Unpaired electron) |
|---|
| A. Boron | 1. Zero |
| B. Nitrogen | 2. Two |
| C. Oxygen | 3. One |
| D. Neon | 4. Three |
Codes:
- A A-1 B-4 C-2 D-3
- B A-1 B-2 C-4 D-3
- C A-3 B-2 C-4 D-1
- D A-3 B-4 C-2 D-1 ✓
✓ Correct answer: (D)
Science & Technology › Physics & Chemistry
Study how UPSC repeats — not just the papers
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