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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

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

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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

Fill in the blanks:

Metals react with acids to produce _________ gas.


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

Write word equations of the reactions involved.


Fill in the following blank with suitable word:

The electrical conductivity and melting point of an alloy is ........... than that of pure metals.


Name one ore of manganese. Which compound of manganese is present in this ore? Also write its chemical formula.


How does the electrical conductivity of copper alloys, brass and bronze, differ from that of pure copper?


How are the properties of an alloy different from those of the constitutent elements?


Mention two uses of the following metals and non-metals 

Oxygen


Mention two uses of the following metals and non-metals 

Iodine    


Aluminium is not used to make : 


Statements given below are incorrect. Write the correct statements : 

Aluminium is best conductor of electricity.   


Give the general characteristics of:

Alkali metals,

(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid


Give reasons for the following:
Most metals conduct electricity well.


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

iron


Why are bells made of metals?


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


Metals are usually solids or gases at room temperature.


The typical shine of metals is called ______.


Sodium is a hard metal. 


Silver and copper are very good conductors of electricity.


Match the following

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

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