The filament of an electric bulb is made of
A). Tungsten
B). Nichrome
C). Graphite
D). Iron
1. Domestic cooking gas consists mostly of
2. Refrigeration is a process which
3. Nuclear fission is caused by the impact of:
4. The natural source of hydrocarbon is
5. Newtons first law of motion gives the concept of
6. Nephrons are connected with
7. Stainless steel is an alloy of
8. Nuclear energy is a mineralbased energy source. It is derived from