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JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The strength of 11.2 volume solution of H2O2
is : [Given that molar mass of H = 1 g mol–1
and O = 16 g mol–1]
2
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
100 mL of a water sample contains 0.81 g of calcium bicrabonate and 0.73 g of magnesium
bicarbonate. The hardness of this water sample expressed in terms of equivalents of CaCO3 is :
(Molar mass of calcium bicarbonate is 162 g mol–1 and magnesium bicarbonate is 146 g mol–1)
3
JEE Main 2019 (Online) 12th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The volume strength of 1M H2O2 is : (Molar mass of H2O2 = 34 g mol–1)
4
JEE Main 2019 (Online) 11th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
NaH is an example of :
Questions Asked from MCQ (Single Correct Answer)
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