हिंदी
सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Fill in the Blank _______ is a Soft Metal.

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प्रश्न

Fill in the blank 

_______ is a soft metal. 

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उत्तर

 Pure gold is a soft metal.

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अध्याय 6: Metals and Non-metals - Objective type questions

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एस पी सिंग Concise Chemistry [English] Class 7 ICSE
अध्याय 6 Metals and Non-metals
Objective type questions | Q 1.4

संबंधित प्रश्न

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


What is an amalgam?


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


What is an alloy?


Which of the following alloys contains mercury as one of the constituents?


Give reasons 

Graphite is used in the leads of pencils  


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

Magnesium is used in making light weight alloys of aluminium. 


State two important uses of following metals: 

Uses of iron   


Why are alkali metals kept in kerosene oil?


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


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

Lead


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

Silver


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


Name the following:

A metal used in packaging.


Match the columns.

Group A Group B
1) Copper and Zinc a) Brass
2) Copper and Tin b) Bronze
  c) Stainless steel

Halogen reacts with acid.


Assertion: Mercury is solid in room temperature.

Reason: Mercury is a non-metal.


Give reasons for the following.

  1. Aluminum foils are used to wrap food items.
  2. Immersion rods for heating liquids are made up of metallic substances.
  3. Sodium and potassium are stored in kerosene.
  4. Mercury is used in thermometers.

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


Silver and copper are very good conductors of electricity.


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