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1
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following is NOT a chemical change ?
1
Burning of coal 
2
Rusting of metal 
3
Melting of ice
4
Reaction of acid with base  
2
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following statements is NOT correct ? 
1
The interconversion of states of matter is a physical change
2
During burning of a candle, both chemical and physical changes take place 
3
During a physical change, the chemical composition of miolecules changes
4
Rusting of iron is a chemical change 
3
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following is NOT a heterogeneous mixture ? 
1
Sulphur in carbon disulphide 
2
Mixture of sugar 8 and salt crystals 
3
Sandy water 
4
Sulphur in water 
4
NDA General Ability 14th September 2025
MCQ (Single Correct Answer)
+4
-1.33
Change Language

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
1
A - 4, B - 1, C - 2, D - 3
2
A - 4, B - 2, C - 1, D - 3
3
A - 3, B - 2, C - 1, D - 4
4
A - 3, B - 1, C - 2, D - 4
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