Name of the Gas
1. Gas used in LPG--Butane, Propane and Ethane
2. Tear Gas---Ammonia (NH3)
3. Gas with foul smell---Hydrogen Sulphide (H2S)
4. Laughing gas---Nitrous Oxide (N2O)
5. Gas used in refrigeration---Freon
Name of the Gas
1. Gas used in LPG--Butane, Propane and Ethane
2. Tear Gas---Ammonia (NH3)
3. Gas with foul smell---Hydrogen Sulphide (H2S)
4. Laughing gas---Nitrous Oxide (N2O)
5. Gas used in refrigeration---Freon
1: Drawing:
This is the operation in which metal gets elongated with a reduction in the cross sedation area. For this, a force is to be applied in a direction perpendiaulant to the length axis.
2:Up setting:
Metal gk
1. HARDEST METAL - TUNGSTEN
2. LIGHTEST METAL - LITHIUM
3. DENSEST METAL - OSMIUM
4. KING OF METALS - GOLD
5. FIRST METAL USED BY MAN - COPPER
6. METAL WITH LOWEST MELTING POINT-
MERCURY (-39 DEGREE CELSIUS)
1. Rupee : India, Nepal, Srilanka, Pakistan
2. Dollar : u.s.a, canada, singapore, ecuador,
australia, honkong, taiwan, newzealand, t&t
3. Euro : france, germany, italy, austria, belgium,
cyprus, netherland, portugal, spain, vatican city
