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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

State Two Important Uses of Following Metal Uses of Lead

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प्रश्न

State two important uses of following metal 

Uses of lead     

एका वाक्यात उत्तर
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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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एस.पी. सिंह Concise Chemistry [English] Class 7 ICSE
पाठ 6 Metals and Non-metals
Additional questions 2 | Q 3.08

संबंधित प्रश्‍न

A metal having low melting point is ______ but a non-metal having very high melting point is ______.


What is meant by 22 carat gold?


Fill in the blank 

A metal that gives dazzling effect to crackers when they explode is ______


Aluminium is not used to make : 


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

A solution of a metal in mercury is called ________


Statements given below are incorrect. Write the correct statements : 

Aluminium is best conductor of electricity.   


Tick (√) the most appropriate answer. 

Graphite is used :


Write name.

The nonmetal having electrical conductivity.


Write scientific reason.

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


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

copper


Give a reason why iron objects rust easily but the iron pillar at Qutab Minar has not rusted over the years.


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Name the following:

A metal used in flexible pipes.


Name the following:

A halogen which is a solid at room temperature.


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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.


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.


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


Metals and non–metals are used for making ______, ______ and ______.


Match the following

i. Softest metal a. Copper
ii. Hardest metal b. Sodium
iii. Hardest non–metal c. Osmium
iv. Ductility d. Diamond

X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:

______ is the metallic element.


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