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CBSE And NCERT Materials:

Unit Test Papers for Class 9 Science english Medium 1. Matter in Our Surroundings

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Student's BagUnit TestClass 9th Science 1. Matter in Our Surroundings
Page 1 of 3

1. Matter in Our Surroundings

 

Unit test - I

 

1. Matter in Our Surrounding

Unit-Test I 

(Science-IX)

Timming: 1 hour                                                                                    M.M : 20


 

Que. 1 to 4 carry 1 mark.

 

Q1.   Name two matterials which gets sublimated. 

         ऐसे दो पदार्थों का नाम बताईये जो उर्ध्वपातित होते है |                                   

Q2.   Define Matter? 

        पदार्थ की परिभाषा लिखिए |

Q3.   Write the name of a matter which is found in all three physical states.

        एक ऐसे पदार्थ का नाम बताइए जो तीनों भौतिक अवस्थाओं में पाया जाता है |

Q4.   How can the state of a matter be changed ?

        किसी पदार्थ की अवस्था को कैसे परिवर्तित किया जा सकता है ?

 

Que. 5 to 6 carry 2 marks.

 

Q5.   What is latent heat of evaporation ?

        वाष्पीकरण की गुप्त ऊष्मा से आप क्या समझते है ?

Q6.   Define melting point?  

         गलनांक की परिभाषा लिखिए |

 

Que. 7 to 10 carry 3 marks.

 

Q7.  How heat is responsible for increasing space between particles?

        ऊष्मा कैसे किसी पदार्थ के कणों के रिक्त स्थान को बढाता है ? 

Q8.  How is evaporation caused cooling? Explain. 

        वाष्पीकरण से कैसे ठंडक होती है ? समझाइए | 

Q9.  Write three properties of solids.

        ठोस पदार्थों के तीन गुणधर्म लिखिए | 

Q10. What are the characteristics of  the particles of matter?

        पदार्थ के कणों की क्या विशेषताएँ होती है ? 

 

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