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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Name the Following: a Metal Used in Flexible Pipes.

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प्रश्न

Name the following:

A metal used in flexible pipes.

एक शब्द/वाक्यांश उत्तर
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उत्तर

Lead

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पाठ 6: Metals and Non-metals - Objective Type Questions

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विराफ जे. दलाल Simplified Middle School Chemistry [English] Class 7 ICSE
पाठ 6 Metals and Non-metals
Objective Type Questions | Q 3.4

संबंधित प्रश्‍न

What happens when Dilute sulphuric acid is poured on a copper plate?

Write word equations of the reactions involved.


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


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


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List: amalgam, chlorine, gallium, sodium chloride, silver chloride  

Salt of silver, such as ________ is used for making photographic films.


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

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


State two important uses of following metal: 

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Uses of aluminium


Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:

Water.


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

iron


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.

An amorphous substance which turns from pale green to black on strong heating evolving a colourless, acidic gas as the only gaseous product.


Match the columns.

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

Complete the following flowchart.


An element which is always lustrous, malleable and ductile is ______.


Compare the conductivity of metals and non–metals.


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