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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Mention Two Uses of the Following Metals and Non-metals Aluminium

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प्रश्न

Mention two uses of the following metals and non-metals 

Aluminium  

एका वाक्यात उत्तर
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उत्तर

It is used to make electric wires.
It is used to make utensils, cans, window fram’es, etc.

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पाठ 6: Metals and Non-metals - Exercise

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सेलिना Concise Chemistry [English] Class 7 ICSE
पाठ 6 Metals and Non-metals
Exercise | Q 3.2

संबंधित प्रश्‍न

Give reasons for the following.

Copper cannot displace zinc from its salt solution.


What happens when Iron nails are placed in copper sulphate solution?

Write word equations of the reactions involved.


State five uses of metals.


State one use of the following metal:

Gold


Mention two uses of the following metals and non-metals 

Oxygen


Give reasons 

Magnesium is used in fire works. 


Give two uses of Germanium  


State two important uses of following metal: 

Uses of zinc  


State two important uses of following metal:

Uses of aluminium


Write name.

The oxide that forms salt and water by reacting with both acid and base.


Which is the non-ionic compound in the compounds given below.
AgNO3 + Nacl → AgCl + NaNO3


With reference to the following metals state their use in daily life metal:

iron


Match the columns.

Group A Group B
1) Copper and Zinc a) Brass
2) Copper and Tin b) Bronze
  c) Stainless steel

Electronic configuration of metal A is 2,8,1. Electronic configuration of metal B is 2,8,8,2. Which of the above metals is more reactive? Explain with reason.


Why are bells made of metals?


The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2, 8, 2. Which of the following is correct?


In the following figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.

  1. ______  is a metal.
  2. Metals are good ______ of electricity. 

A doctor prescribed a tablet to a patient suffering from iron deficiency. The tablet does not look like iron. Explain.


Silver and copper are very good conductors of electricity.


Which metal has the highest ductility?


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