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1
JEE Main 2018 (Online) 15th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution is added to the aformentioned solution, a white precipitate is obtained which does not dissolve in dil. nitric acid. The anion is :
A
CO32-
B
SO42-
C
Cl-
D
S2-
2
JEE Main 2017 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Which one of the following is an oxide ?
A
KO2
B
BaO2
C
SiO2
D
CsO2
3
JEE Main 2017 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Both lithium and magnesium display several similar properties due to the diagonal relationship; however, the one which is incorrect, is:
A
both form soluble bicarbonates
B
both from nitrides
C
nitrates of both Li and Mg yield NO2 and O2 on heating
D
both form basic carbonates
4
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The commercial name for calcium oxide is :
A
Milk of lime
B
Slaked lime
C
Limestone
D
Quick lime
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