Choose the correct options for the following questions.
Which of the following is the formula of Potassium permanganate?
Difficulty: Easy
A:
$\rm{K_{2}MnO}$
B:
$\rm{KMnO_{4}}$
C:
$\rm{KMnO_{2}}$
D:
None of these
Which of the following has highest boiling point?
Difficulty: Easy
A:
He
B:
Ne
C:
Ar
D:
Kr
Which of the following group shows halogens?
Difficulty: Easy
A:
N to Bi
B:
C to Sn
C:
F to At
D:
H to Cs
Premium content
Sign in and upgrade to continue reading.