1
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The LPG cooking gas contains propane and butane as the constituents. A sulphur containing compound is added to the LPG, because
A
it lowers the cost of production
B
it enhances the efficiency of LPG
C
it facilitates easy detection of leakage of the gas
D
it assists in liquefying hydrocarbons
2
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A plant having yellow leaves with dead spots has the deficiency of
A
potassium
B
magnesium
C
nitrate
D
phosphate
3
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Fluoride toothpaste is sometimes recommended, because fluoride
A
prevents plaque formation
B
hardens the enamel of the tooth
C
kills pathogenic bacteria
D
prevents toothache
4
NDA 2016 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Combination of one volume of nitrogen with three volumes of hydrogen produces
A
one volume of ammonia
B
two volumes of ammonia
C
three volumes of ammonia
D
one and a half volumes of ammonia
Questions Asked from Marks 2.5