GATE 2021 Answer Key CY Chemistry
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GATE 2021 Answer Key CY Chemistry is available here for free download. Published by IIT for Graduate Aptitude Test in Engineering, this answer key can be viewed online or downloaded as a PDF (3 pages). Candidates preparing for Graduate Aptitude Test in Engineering can use GATE 2021 Answer Key CY Chemistry to understand the exam pattern, the type of questions asked, and the overall difficulty level.
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GATE 2021 Answer Key CY Chemistry – Text
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📄 View text version (3 pages)
Page 1
Answer Keys and Marks for Subject/Paper: Chemistry (CY)
Question Type Section Answer Negative
Q. No. Session Marks
MCQ/MSQ/NAT Name Key/Range Marks
1 1 MCQ GA D 1 1/3
2 1 MCQ GA B 1 1/3
3 1 MCQ GA C 1 1/3
4 1 MCQ GA B 1 1/3
5 1 MCQ GA C 1 1/3
6 1 MCQ GA B 2 2/3
7 1 MCQ GA A 2 2/3
8 1 MCQ GA A 2 2/3
9 1 MCQ GA B 2 2/3
10 1 MCQ GA C 2 2/3
1 1 MCQ CY C 1 1/3
2 1 MCQ CY A 1 1/3
3 1 MCQ CY C 1 1/3
4 1 MCQ CY A 1 1/3
5 1 MCQ CY A 1 1/3
6 1 MCQ CY C 1 1/3
7 1 MCQ CY B 1 1/3
8 1 MCQ CY C 1 1/3
9 1 MCQ CY B 1 1/3
10 1 MCQ CY A 1 1/3
Page 2
Q. No. Session Marks
MCQ/MSQ/NAT Name Key/Range Marks
11 1 MCQ CY B 1 1/3
12 1 MCQ CY B 1 1/3
13 1 MCQ CY B 1 1/3
14 1 MCQ CY C 1 1/3
15 1 MSQ CY A; C 1 0
16 1 MSQ CY C; D 1 0
17 1 MSQ CY A; C 1 0
18 1 MSQ CY A; B; C 1 0
19 1 NAT CY 20 to 20 1 0
20 1 NAT CY 6 to 6 1 0
21 1 NAT CY 3 to 3 1 0
22 1 NAT CY -12.16 to -12.14 1 0
23 1 NAT CY 3 to 3 1 0
24 1 NAT CY 10800 to 10800 1 0
25 1 NAT CY 3.8 to 4.0 1 0
26 1 MCQ CY A 2 2/3
27 1 MCQ CY B 2 2/3
28 1 MCQ CY A 2 2/3
29 1 MCQ CY A 2 2/3
30 1 MCQ CY A 2 2/3
31 1 MCQ CY B 2 2/3
32 1 MCQ CY D 2 2/3
33 1 MCQ CY B 2 2/3
Page 3
Q. No. Session Marks
MCQ/MSQ/NAT Name Key/Range Marks
34 1 MCQ CY A 2 2/3
35 1 MCQ CY C 2 2/3
36 1 MCQ CY C 2 2/3
37 1 MCQ CY B 2 2/3
38 1 MCQ CY B 2 2/3
39 1 MCQ CY A 2 2/3
40 1 MCQ CY A 2 2/3
41 1 MCQ CY B 2 2/3
42 1 MCQ CY B 2 2/3
43 1 MSQ CY A; C 2 0
44 1 MSQ CY A; B; C 2 0
45 1 NAT CY 2000 to 2020 2 0
46 1 NAT CY 0.11 to 0.13 2 0
47 1 NAT CY 39.5 to 40.5 2 0
48 1 NAT CY 54.0 to 55.0 2 0
49 1 NAT CY 309 to 315 2 0
50 1 NAT CY 18225 to 18245 2 0
51 1 NAT CY 71 to 73 2 0
52 1 NAT CY 0.30 to 0.34 2 0
53 1 NAT CY 65.0 to 66.0 2 0
54 1 NAT CY 151 to 153 2 0
55 1 NAT CY 2.50 to 2.80 2 0
Document Details
| Board / Org | IIT |
| Exam | Graduate Aptitude Test in Engineering |
| Type | Answer Key |
| Pages | 3 |
| Language | english |
| Updated | 30 Apr 2026 |