Question

☆ 9 5 A
UJI/O2UPUL%20NEET%20Q.P%2023-08-2020.pdf
3To produce current ar a constant strength
4)All the above
5.
When a lead storage battery is discharged
1)S02 is evolved
3)sulphuric acid is consumed
2)lead sulphate is consumed
4)lead is formed
6.
Wrt. H2 - O, fuel cell the correct statement is
1)electrolyte used is pure H20
2)heat of combustion is directly converted to electrical energy
3)O2 gas gets oxidised to Oz in the cell
4)overall reaction in the cell is H +0H-HO
7
Corrosion can be prevented by
1)Painting the metal surface
2)Alloying the metal with more anodic metal
3)To prevent the contact of the metal surface with good electrical conducting media
4)All
8 Prevention of corrosion of iron by Zn coating is called
1) Galvanization 2)Cathodic protection 3) Electrolysis 4) Photoelectrolysis
9
Number of electrons required to deposit one mole of Mg? ions is
1) 6.023 x 102
2) 12.046 x 102
3) 18.069 x 10"
4)3.012 x 10–
10. The electrochemical equivalent of an element is 0 001118 gm/coulomb. Its equivalent weight is
1) 10.7
2) 53.5
3) 1007
4) 107
11. List 1 List II
A)Electronic conductors 1) Acetic acid
B)Electrolytic conductors 2) Solid salts
C)Non-electrolyte
3) Sucrose
D)Weak electrolyte
4)Molten salts
The correct match is
А B С D
2
3 4
2) 2
3 1
3)
4 3 2
4) 4 3 2
12 The charge required to reduce 1 mole Cr.0-to Cr" ions is
I) 3F
2) 3 coulomb
3) 6F
4) 2 x 6.023 x 10
enalisesho.club • nou
Potential Malware Alert!
Scan your PC with Advanced Antivirus
PC MAY BE AT RISK
PC may be infected by viruses!
1
Scan your PC by clicking button
4
SCAN PC
OPEN
BRENOVE ADS
VAIO
E
(intel inside
Intel Core 13-2330M Processor 2.20 GHZ
Windows 7 Home Basic (64-bit)
Memery 2 GB. Hard Disk Ornes 320 GB
GEFORCE
Series
VPCEH25EN
Windows 7
CORE 13
F9
Page
F10
F11
Prt Sc
F12
F8
Pause
Break
Insert
Ногте
End
Delete
Page
Down
cue​

Answer 1

Answer:

wsyudrrrrtttyrfddtyyy6666yyy_ uy5t