BCECE SERIES Chemistry
P Block Elements
8 previous year questions.
Volume: 8 Ques
Yield: Medium
High-Yield Trend
4
2025 1
2022 1
2008 2
2007 Chapter Questions 8 MCQs
01
PYQ 2007
medium
chemistry ID: bcece-20
Zinc and cold dil. reacts to produce
1
NO
2
3
4
02
PYQ 2007
medium
chemistry ID: bcece-20
Tincture of iodine is
1
aqueous solution bf
2
solution of in aqueous
3
alcoholic solution of
4
aqueous solution of
03
PYQ 2008
easy
chemistry ID: bcece-20
Ozone is used for purifying water because
1
it dissociates and release oxygen
2
do not leave any foul smell like chlorine
3
kills bacteria, cyst, fungi and acts as a biocide
4
All of the above
04
PYQ 2022
medium
chemistry ID: bcece-20
Which one is an amphoteric oxide:
1
Na2O
2
B2O3
3
SO2
4
ZnO
05
PYQ 2025
medium
chemistry ID: bcece-20
How many moles of O2 will be formed from the decomposition of Pb(NO3)2?
1
1 mole
2
2 moles
3
0.5 mole
4
4 moles
06
PYQ 2025
medium
chemistry ID: bcece-20
Which of these sulfides is not black?
1
CuS
2
PbS
3
Ag S
4
CdS
07
PYQ 2025
medium
chemistry ID: bcece-20
Which one of these is the most acidic oxide?
1
MnO (Manganese (II) oxide)
2
Mn2O3 (Manganese (III) oxide)
3
Mn2O7 (Manganese (VII) oxide)
4
MnO2 (Manganese (IV) oxide)
08
PYQ 2025
medium
chemistry ID: bcece-20
Red lead is:
1
PbO
2
PbO
3
Pb O
4
Pb O