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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

State Two Important Uses of Following Metal Uses of Lead - Chemistry

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प्रश्न

State two important uses of following metal 

Uses of lead     

एका वाक्यात उत्तर

उत्तर

Uses of lead :

  • It is used for making lead acid batteries used in all kinds of automobiles.
  • It is used for making sanitary pipes.
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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 3.08

संबंधित प्रश्‍न

Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.

(a) How will she find the nature of the gas?

(b) Write down word equations of all the reactions taking place in this process.


Name an alloy of lead and tin.


Name two alloys of iron. What elements are present in these alloys?


Fill in the following blank with suitable word:

The alloy in which one of the metals is mercury is called an ...............


What is meant by 22 carat gold? Name the metals which are usually alloyed with gold to make it harder.


Mention two uses of the following metals and non-metals 

Aluminium  


Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride  

Salt of silver, such as ________ is used for making photographic films.


Write scientific reason.

Generally the ionic compounds have high melting points.


Write scientific reason.

Anodes need to be replaced from time to time during the electrolysis of alumina.


What was Mendeleev's basis for the classification of elements?


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

Lead


On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.

A white crystalline solid which decrepitates on heating leaving a residue which fuses with the glass and evolves two gases one of which is coloured and acidic.


Aluminium: _______: gold : : electric insulator


Complete the following flowchart.


The metal which is liquid at room temperature is ______.


What is ductility?


A is a reddish-brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.


Name two major non-metals which are present in fertilisers and enhance the growth of plants.


Metals are ______ conductors of heat and electricity.


Which metal has the highest ductility?


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