1 |
Which noble gas is used in radiotherapy |
Neon
Argon
Krypta
Radon
|
2 |
Refrigeration capacity of liquid neon is greater than liquid helium by |
80 times
50 times
40 times
10 times
|
3 |
XeF6 n hydrolysis produces. |
XeOF2
XeOF3
XeOF4
XeF2
|
4 |
Which one of the following noble gases is least polarizable |
He
Ne
Ar
Kr
|
5 |
Which one of the following gases exist in monoatomic form. |
Ozone
Nitrogen
Krypton
Phosphine
|
6 |
Which gas has highest boiling points. |
He
Ne
Ar
Kr
|
7 |
The gas used in bactericidal lamps is |
Be
Ar
Kr
Xe
|
8 |
In fluorescent tube, the gas filled is. |
He
Ne
Ar
Xe
|
9 |
What is the oxidation state of Xenon in XeOF2 |
0
+2
+4
+6
|
10 |
Which element form maximum compounds with Xenon |
F
Cl
Br
I
|
11 |
Which substance is used in photography |
AgCl
AgBr
AgI
Ag3PO4
|
12 |
Which raw material is used for preparation of bleaching powder. |
Cl2 and H2O
Cl2 and Lime
Cl2 and HOCl
HCl and Lime
|
13 |
Iodine deficiency in diet is known to cause. |
Beri Beri
Goiter
Rickets
Night blindness
|
14 |
Which one of the following is not use of chlorine. |
Formation PVC
Formation of mustard gas
Disinfectant and bleaching agent
Formation of sodium chloride
|
15 |
Bleaching powder contains available chlorine approximately |
100%
70-80%
35-40%
10-20%
|
16 |
Which one of the following acids acts as oxidizing agent but never a reducing agent. |
HCIO
HCIO2
HCIO3
HCIO4
|
17 |
The chemical formula of Sodium Bromite is. |
NaBrO
NaBrO2
NaBrO3
NaBrO4
|