Question

choose the correct option for each of the following.
When an electric current passes through salt water, the gas liberated at the positive
Choose
1.
electrode is
(a) chlorine
(c) hydrogen
(b) oxygen
(d) carbon dioxide
2. Which of the following liquids conducts electricity?
(a) Lemon juice
(c) Kerosene
(b) Honey
(d) Distilled water
of conductivity?
3 In which of the following options, the liquids have been arranged in the increasing order
(a) Salt water, tap water, river water
© Tap water, river water, salt water
(b) River water, tap water, salt water
(d) Salt water, river water, tap water
4. Iron sheets used for making household articles are usually coated with zinc to prevent
(a) rusting
(b) electrolysis
(d) None of these
(c) electroplating
5
Which among the following is not an application of electroplating?
(a) Gold is coated on ornaments
Chromium is coated on iron objects
(b) Silver is coated on ornaments
(d) Iron is coated on zinc sheets
​

Answer 1

Answer:

1 ka ,2ka d,3ka c,4 ka b 5ka a

Answer 2

Answer:

2 (a) , 3 (c) , 4 (a) , 5 (d)

so this are the answers