Question

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Answer 1

Answer:

Displacement reaction

The reaction in which more reactive metal disolaces the less reactive metal from its salt solution.

AB+ CD------- AD+ CB

In simple words more reactive metal takes place of he less reactive metal

ex. Zn+ cuso4 ----- Znso4 + cu

here, Zinc is more reactive than copper so it displace it from its solution.

Answer 2

Physical state

Metal :- are generally hard solid at room temperature

Non-metal :- exist in all three states ---- solid like carbon, gases like oxygen.

Ductility

Metal :- can be drawn into thin wire.

Non-metal :-are brittle and cannot be dry into wires.

Conductivity

Metal :- are good conductor of electricity.

Non-metal :- are bad conductor of electricity.

Sonority

Metal :- produse ringing sound .

Non-metal :- are non-sonorus.

Malleability

Metal :- cab be beaten into thin sheet.

Non-metal :- break on hamaring.

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