1
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The phosphorus used in the manufacture of safety matches is
A
red phosphorus
B
black phosphorus
C
white phosphorus
D
scarlet phosphorus
2
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is not a chemical change?
A
Ripening of fruits
B
Curdling of milk
C
Freezing of water
D
Digestion of food
3
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Soap is the sodium or potassium salt of
A
stearic acid
B
oleic acid
C
palmitic acid
D
All of the above
4
NDA 2016 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which of the following carbon compounds will not give a sooty flame?
A
Benzene
B
Hexane
C
Naphthalene
D
Anthracene
Questions Asked from Marks 2.5