1.

5. Nature of metal oxide is:b. Basic b) Acidicc) Neutral d) None of these 6. Non- metal, solution of which is used as an antiseptic onwounds.a. Potassium Dichromate b) Potassium permanganatec) Sodium chloride d) Copper Sulphate7. Name the following type of reaction :-Copper sulphate (CuSo4) + Zinc (Zn) = Zinc Sulphate (Znso4) + Cu (Copper)(Displacement / addition)8. Write any three differences between metals and non-metals on thebasis of following characters -Property Metal Non-Metal1) Appearance2) Conduction of heat3) Malleability4) Ductility 9. Write one word for the following:i) Materials having properties of both metalsand non-metals .ii) The property of metals due to which they produce sound .iii) The property of metals due to which they can be beaten into sheets .iv) Nature of metal oxides is .v) Thepropertyofmetalsby virtue ofwhichtheycanbedrawnintowires . 10. Answer the following questions: 1. What are the elements called which can neither fit with metals nor non-metals? ________________________________________________________________________________________ 2. Which of the following metals is the best conductor of heat and electricity? Gold, Silver, Copper, Aluminum 3. Which property of metals makes them useful as ringing bells? _______________________________________________________________________________________ 4. Arrange the following elements in order of increasing reactivity. Sodium, Magnesium, Copper, Zinc, AluminumPlz tell anyone i will mark brainliest and give 21 points.​

Answer»

Answer:

Answer of 2nd QUESTION is copper

Answer of 9TH question

  1. metaloids
  2. sonority
  3. Ductility
  4. I don't know
  5. MALLEABILITY

EXPLANATION:

Copper is used for making electric wires



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