- 1257 miles per hour
- 755 miles per hour
- 330 miles per hour
- None of these
- Constant
- Slowest
- Fastest
- None of these
- Audiosonic
- Infrasonic
- Ultrasonic
- Supersonic
- Solid
- Liquid
- Gases
- Vaccum
- ionic substances
- metallic substances
- molecular solids
- covalent network solids
- haber process
- Amonia solvay process
- decons process
- lead chamber process
- No- conductor
- Semiconduc tor
- Super Conductor
- None of these
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