1
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Match List I with List II and select the correct answer using the code given below the Lists:
LIST I (Chemical process) |
LIST II (Reaction) |
||
A. |
Electrolysis of water |
1. |
Double displacement |
B. |
Burning of coal |
2. |
Combination reaction |
C. |
Iron nail immersed in copper sulphate solution |
3. |
Decomposition reaction |
D. |
Addition of barium chloride solution to aluminium sulphate solution |
4. |
Displacement reaction |
2
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Which one of the following processes involves chemical reaction?
3
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Which one of the following metals does NOT react with cold water to liberate hydrogen gas?
4
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Consider the following reaction:
2HgO $ \stackrel{\Delta}{\longrightarrow} $ 2Hg + O2
The respective state of HgO, Hg and O2 in the above reaction is
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Total Questions
English
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General Science
52
General Studies
52
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