1
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.33
Which of the following is present in maximum amount in 'acid rain'?
A
HNO3
B
H2SO4
C
HCl
D
H2CO3
2
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.33
Which of the set of oxides are arranged in the proper order of basic, amphoteric, acidic?
A
SO2, P2O5, CO
B
BaO, Al2O3, SO2
C
CaO, SiO2, Al2O3
D
CO2, Al2O3, CO
3
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
When BaCl2 is added to an aqueous salt solution, a white precipitate is obtained. The anion among CO$$_3^{2 - }$$, SO$$_3^{2 - }$$ and SO$$_4^{2 - }$$ that was present in the solution can be
A
CO$$_3^{2 - }$$ but not any of the other two
B
SO$$_3^{2 - }$$ but not any of the other two
C
SO$$_4^{2 - }$$ but not any of the other two
D
Any of them
4
WB JEE 2016
MCQ (Single Correct Answer)
+1
-0.25
Nitrogen dioxide is not produced on heating
A
KNO3
B
Pb(NO3)2
C
Cu(NO3)2
D
AgNO3
WB JEE Subjects