Class 9 Chemistry MCQ
____________ is an irreversible cell.
Dry cell
Chargeable cell
Zn cell
None of these
It is a good reducing agent
Fe
H
C
O
Which is used for industrial manufacture of NaCI?
Daniel cell
(‘radio-button-click-target–correctquestions’, “Down’s cell”)(‘radio-button-click-target’, “Nelson’s cell”)
None of these
Electrolyte is ____________ solid form.
in
Sometimes in
Never in
Always in
Metals are covered by using.
(‘radio-button-click-target’, “Baeyer’s test”)(‘radio-button-click-target’, “Bohr’s”)
Electrolysis
None
Which one of the following is not an electrolytic cell:
Down cell
Galvanic cell
(‘radio-button-click-target’, “Nelson’ cell”)
Both a and c
The oxidation number of chromium in K2Cr2O7 is:
+2
+6
+7
+14
In silver plating Anode is made of:
Gold
Ag
Neon
Nil
All electrolytes are:
Conductor
Insulator
Semi conductor
Nil
Addition of OXYGEN is called.
Reduction
Conduction
Oxidation
Nil
Continue Reading Go to Next Page
Google Ads