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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

State Two Important Uses of Following Metal Uses of Tin

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प्रश्न

State two important uses of following metal 

Uses of tin  

एका वाक्यात उत्तर
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उत्तर

Uses of tin :

  • It is used for tinning food cans and the cooking vessels made from copper or iron.
  • It is used for making alloys, such as brass and bronze.
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पाठ 6: Metals and Non-metals - Additional questions 2

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एस.पी. सिंह Concise Chemistry [English] Class 7 ICSE
पाठ 6 Metals and Non-metals
Additional questions 2 | Q 3.05

संबंधित प्रश्‍न

State one use of the following metal:

Iron


Brass is an alloy of copper and ______.


What elements are present in steel?


Mention two uses of the following metals and non-metals 

Oxygen


State two important uses of following metal: 

Uses of zinc  


State two important uses of the following metal. 

Uses of magnesium  


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

Water.


Write name.

The nonmetal having electrical conductivity.


Which is the non-ionic compound in the compounds given below.
AgNO3 + Nacl → AgCl + NaNO3


What is it made from? Why?

Pots and pans


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.


Complete the following flow chart.


The metal which is liquid at room temperature is ______.


Why are bells made of metals?


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.

A is a reddish-brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.


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


In the following figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.

  1. ______  is a metal.
  2. Metals are good ______ of electricity. 

All gases are ______.


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