List I (Noble gas) — List II (Use)
A. Argon — 1. In lights for advertising display
B. Neon — 2. Airport landing lights and in light houses
C. Krypton — 3. Light in photographer’s flash gun
D. Xenon — 4. In tungsten filament to last longer
Code :
3 2 1 4
4 1 2 3
2 1 3 4
1 2 3 4
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy