1
NDA General Ability 18 April 2021
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following reactions does not result in the evolution of hydrogen gas?
A
Reaction of zinc metal with dilute sulphuric acid solution
B
Mixing water to Plaster of Paris
C
Heating zinc metal with sodium hydroxide solution
D
Reaction of potassium metal with water
2
NDA General Ability 18 April 2021
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following acids is predominantly found in tomatoes?
A
Acetic acid
B
Tartaric acid
C
Oxalic acid
D
Lactic acid
3
NDA General Ability 18 April 2021
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Reaction of quick lime (CaO) with water to produce slaked lime (Ca(OH)2) is an example of
A
Displacement reaction
B
Endothermic reaction
C
Decomposition reaction
D
Exothermic reaction
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