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

With Reference to the Following Metals State Their Use in Daily Life Metal: Iron - Chemistry

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प्रश्न

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

iron

एक पंक्ति में उत्तर

उत्तर

Iron:

  1. Pig Iron is used in drain pipes as it is easily moulded into castings.
  2. Steel is used in Automobiles.
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अध्याय 6: Metals and Non-metals - Exercise

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संबंधित प्रश्न

Fill in the blanks:

Metals react with acids to produce _________ gas.


State one use of Silver.


The atomic number of an element Y is 16.
(a) What must an atom of Y do to achieve the nearest inert gas electron arrangement?
(b) Which inert gas is nearest to Y?


Give the composition of an alloy called solder. State its one property and one use.


Fill in the following blank with suitable word:

The alloy in which one of the metals is mercury is called an ...............


Explain how, a reduction reaction of aluminium can be used for welding cracked machine parts of iron. Write a chemical equation for the reaction involved.


Give reasons  

Aluminium is used in making aircrafts.  


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 ________


Why is hydrogen placed with alkali metals?


Write name.

The oxide that forms salt and water by reacting with both acid and base.


Write name.

The nonmetal having electrical conductivity.


Molecular formula of the chloride of an element X is XCl. This compound is a solid having high melting point. Write name of any element present in the same group as X


Name the following:

The most reactive halogen.


Name the following:

The chemical compound responsible for the green deposit on the surface of articles of copper.


Match the columns.

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

When a copper coin is dipped in the solution of silver nitrate, it shows a lustre on its surface. Explain this process with the help of a chemical equation.


The most abundant metal in the earth’s crust is ____________.


Which of the following is not a metal?


Metals are ______ conductors of heat and electricity.


X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:

______ is the metallic element.


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