हिंदी
सी.आई.एस.सी.ई.आईसीएसई 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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अध्याय 6: Metals and Non-metals - Objective Type Questions

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

संबंधित प्रश्न

Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.

(a) How will she find the nature of the gas?

(b) Write down word equations of all the reactions taking place in this process.


For the reduction of a metal oxide, suggest a reducing agent other than carbon.


Mention two uses of the following metals and non-metals 

Aluminium  


Give reasons  

Aluminium is used in making aircrafts.  


Give two uses of Germanium  


State the position of the following in the periodic table:

Iron and zinc


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

Hydrochloric acid,


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

Water.


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


What is it made from? Why?

A pair of tongs.


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

iron


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

Lead


Soft metal : Na : : hard metal : _______


Write the name.

Two highly reactive metals-


Name one metal and one non-metal that exist in liquid state at room temperature. Also name two metals having melting point less than 310 K (37°C)


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


Give an example of a metal which

  1. is liquid at room temperature.
  2. is the best conductor of heat.

Which of the following is not a metal?


Name two major non-metals which are present in fertilisers and enhance the growth of plants.


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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