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Some physical properties of metals are listed below.
Shiny (lustrous) in nature
Metal is a good conductor of electricity and heat
Density and melting point is high
Mouldable (Malleable)
Ductile
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Answer of 35:
Physical Properties of Metals
- Shiny (lustrous) in nature
- Metal is a good conductor of electricity and heat
- Density and melting point is high
- Mouldable (Malleable)
- Ductile
- At room temperature, it is in solid form except for mercury
Physical Properties of Non-metals
- Poor conductors of electricity and heat
- Non-Ductile metals
- Brittle solids
- Maybe solids, liquids or gases at room temperature
- These are not sonorous
Answer of 36:
Contact force - Contact force occurs due to the contact between two different objects.
for example- Two objects sliding past each other
An object that is being stretched.
Non contact force - Non-contact force occurs due to either attraction or repulsion between two objects such that there is no contact between these objects.
for example- An apple falling down from a tree.
Iron pins attracted in the presence of a magnet bar without any physical contact.
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