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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Multiple Choice Questions a Metal with Melting Point Less than 50°C is (A) Gallium (B) Iron (C) Gold (D) Aluminium - Chemistry

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प्रश्न

A metal with melting point less than 50°C is

पर्याय

  • Gallium

  • Iron

  • Gold

  • Aluminium

MCQ

उत्तर

Gallium 

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पाठ 6: Metals and Non-metals - Multiple choice questions

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

संबंधित प्रश्‍न

Give reasons for the following.

Copper cannot displace zinc from its salt solution.


Give reasons for the following.

Sodium and potassium are stored in kerosene.


Write the name and formulae of  a metal hydride.


Fill in the following blank with suitable word:

Brass is an alloy of copper and .........


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  

Gold 


Mention two uses of the following metals and non-metals 

Iodine    


Give two uses of Germanium  


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 ________


Write ‘True’ or ‘False’ in front of following statement.  

Brass is an alloy of copper and zinc and has lustrous yellow colour. 


State the position of the following in the periodic table:

Alkaline earth metals


Write scientific reason.

Generally the ionic compounds have high melting points.


What is it made from? Why?

Electric cables


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

iron


Write the name.

Two highly reactive metals-


What is ductility?


The ability of metals to be drawn into thin wire is known as


An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.


Silver and copper are very good conductors of electricity.


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