1
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Match List I with List II and select the answer using the code given below the Lists
|
List I (Element) |
List II (Atomicity) |
||
|
A. |
Phosphorus |
1. |
2 |
|
B. |
Nitrogen |
2. |
1 |
|
C. |
Neon |
3. |
8 |
|
D. |
Sulphur |
4. |
4 |
2
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
In the following redox reaction, which compound is acting as a reducing agent ?
N2H4 + 2H2O2 → N2 + 4H2O
3
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Which one: of the following is considered to be the purest source of water ?
4
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Which one of the following salts is responsible for temporary hardness of water ?
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