हिंदी
सी.आई.एस.सी.ई.आईसीएसई 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     

एक पंक्ति में 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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अध्याय 6: Metals and Non-metals - Additional questions 2

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 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 ______.


Brass is an alloy of copper and ______.


What is an alloy?


Statements given below are incorrect. Write the correct statements : 

Zinc is used for making power transmission wires.  


State two important uses of following metal: 

Uses of gold  


State two important uses of following metal 

Uses of tin  


State the position of the following in the periodic table:

Iron and zinc


Why are alkali metals kept in kerosene oil?


What is it made from? Why?

Electric cables


What is it made from? Why?

Ornaments


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

copper


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

Magnesium


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

Zinc


Name the following:

A metal used in packaging.


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.


Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?


Which of the following two combinations are correct?

 

  Metal Gas Evolved
(i) Copper Yes
(ii) Iron Yes
(iii) Magnesium No
(iv) Zinc Yes

______ is the first scientist who used the term element.


All gases are ______.


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