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JEE Main 2018 (Online) 15th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Biochemical Oxygen Demand (BOD) value can be a measure of water pollution caused by the organic matter. Which of the following statements is correct ?
2
JEE Main 2017 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which of the following is a set of greenhouse gases?
3
JEE Main 2017 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Identify the pollutant gases largely responsible for the discoloured and
lustreless nature of marble of the Taj Mahal.
4
JEE Main 2017 (Offline)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A water sample has ppm level concentration of following anions
F- = 10; $$SO_4^{2-}$$ = 100; $$NO_3^-$$ = 50
The anion/anions that make/makes the water sample unsuitable for drinking is/are :
F- = 10; $$SO_4^{2-}$$ = 100; $$NO_3^-$$ = 50
The anion/anions that make/makes the water sample unsuitable for drinking is/are :
Questions Asked from MCQ (Single Correct Answer)
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