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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Name a Non-metal Which is Good Conductor of Electricity. - Chemistry

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प्रश्न

Name a non-metal which is good conductor of electricity.  

एका वाक्यात उत्तर

उत्तर

Graphite (form of carbon).

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पाठ 6: Metals and Non-metals - Additional questions 2

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सेलिना Concise Chemistry [English] Class 7 ICSE
पाठ 6 Metals and Non-metals
Additional questions 2 | Q 5.3

संबंधित प्रश्‍न

Give an example of a metal which is a liquid at room temperature.


Give an example of a metal which can be easily cut with a knife.


Fill in the blanks:

Phosphorus is a very _________ non-metal.


Give reasons for the following.

Immersion rods for heating liquids are made up of metallic substances.


Name the gas that is produced in the given case:

The reaction of ethanol and sodium.


 Choose the acidic oxides, basic oxides and neutral oxides from the following:
Na2O; CO2; CO; SO2; MgO; N2O; H2O.


"Is malleable and ductile". This best describes:
(a) a metal
(b) a compound
(c) a non-metal
(d) a solution


Name a metal used in making electric cables 


Name a non-metal that is used for filling into electric bulbs 


Fill in the blank 

Tungsten metal is a poor conductor of _______


Statements given below are incorrect. Write the correct statements : 

Chlorine gas is used in the manufacture of sulphuric acid.  


Name a metal which can be cut with a knife : 


Name a non-metal whose compounds help in the growth of plants.  


State two important uses of following non-metal 

Uses of chlorine  


Name two metals which react with cold water.


Name the following:
or

With reference to the physical properties of metals and non-metals, state the following exception.

A metal which is liquid at room temperature.


Fill in the Blank and Rewrite the Statements:

Elements showing properties of both metals and nonmetals are known as _________.


Gold and silver are used to make jewellery. Give reason


Give a reason why – properties of metals are related to their activity or reactivity series of metals. Explain the same with reference to potassium and iron in the series.


Paheli bought a statue made up of copper. To her surprise, it acquired a dull green coating after a couple of months. Explain the reason.


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