1
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following substances is not a mixture?
A
Ice
B
Ice-cream
C
Air
D
Honey
2
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Tooth enamel is made up of which one of the following calcium compounds?
A
Calcium carbonate
B
Calcium sulphate
C
Calcium hydroxide
D
Calcium phosphate
Questions Asked from Marks 2.5