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

Select the Correct Answer to the Statement Given Below: a Non-metal Which Exists in the Liquid State.

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प्रश्न

Select the correct answer to the statement given below:

A non-metal which exists in the liquid state.

पर्याय

  • Chalk

  • Oxygen

  • Silicon

  • Bromine

  • Nitrous oxide

MCQ
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उत्तर

Bromine

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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 1.5

संबंधित प्रश्‍न

Fill in the blank

A pure substance has definite.................. and constant ..............


What are the different types of mixtures ?


Give one example for the following types of mixtures :

solid-liquid heterogenous mixture.


Give Two Examples for Each of the Following: Metalloids


Define Elements.


How is sodium chloride different from its constituent elements, sodium and chlorine in its properties? Justify.


Find the atomicity of the Following molecule:
Dinitrogen Oxide


Indicate whether the following statement is true or false:
Molecules combine to form atoms


The important physical properties of substances are colour, odour, nature, density & solubility in water.

Name - a poisonous gas almost as heavy as air.


Give the name of the radical - OH


Complete the statement given below by filling in the blank with the correct word.
An element is a pure substance which cannot be broken down by physical or _________ methods.


Write the names of elements from the following symbol:

Xe


Write the names of elements from the following symbol:

Cu


Write an answer to the following question in your own words.

Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?


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


Select the correct answer from the choice given below to complete the sentence :

Dust in air is an example of _________ mixture.


Atoms: Fundamental particle of an element::______ : Fundamental particles of a compound.


Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?


Match the following:

1. Co2 a. Robert Boyle
2. Sulfur b. Making mobile phones
3. Element c. triatomic molecule
4. Gallium d. Polyatomic molecule

Give an account of elements known to us.


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