plzz help.....
metals and non metals class 10
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1. metals are hard..
while nonmetal are soft or {amorphous} (except:- diamond)
2. M has shine..
while NM are not shine..
3.M are good conductor of heat & electricity...
while NM are bad conductor of heat & ele...
4.. M had more density..
while NM had low density..
5. M.p. of Metal is high..
while m.p. of NM is low....
boysrocky:
hi
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15)pb(no3)2=pbo+no2+o2
16)cuso4.5h20=cuso4+5h20
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