मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Select the Correct Answer to the Statement Given Below: the Chemical Name for Dinitrogen Oxide N20.

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प्रश्न

Select the correct answer to the statement given below:

The chemical name for dinitrogen oxide [N20].

पर्याय

  • Chalk

  • Oxygen

  • Silicon

  • Bromine

  • Nitrous oxide

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उत्तर

Nitrous oxide

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पाठ 3: Elements, Compounds and Mixtures - Objective Type Questions

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विराफ जे. दलाल Simplified Middle School Chemistry [English] Class 7 ICSE
पाठ 3 Elements, Compounds and Mixtures
Objective Type Questions | Q 1.2

संबंधित प्रश्‍न

 Write true or false 

A heterogeneous mixture has a uniform composition throughout the mixture


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Filter Paper and Alum


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Give two applications of chromatography.


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Elements which are liquids


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Atomicity 


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Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?


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A metal which is a poor conductor of electricity is  _______.


Indicate whether the following statement is true or false:
All elements are artificially prepared


Tick (√) the correct alternative from the choice given for the following statement

A metal which is brittle


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Select the correct answer from the choice given below.
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Select the correct answer from the choice given below.
A group of atoms of elements


Give a reason for the following statement:

Components in a mixture are present in varying proportions and not in a fixed proportion.


Define the terms elements, compounds & mixtures with a view to show their basic difference.


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