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Amar from AJ School, Navi Mumbai, Mumbai
Subject :NSO    Class : Class 6

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Dhwani Bamo from BGS International Public School, New Delhi
Subject :NSO    Class : Class 5

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bijendra bidrohi from ,
Class : Class 5
S

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namay rohatgi from apeejay school,noida, New Delhi
Subject :NSO    Class : Class 6

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param ahuja from m.p.s, Ajmer
Class : Class 7
a

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ARCHIT PATIL from KASHINATH PALOD PUBLIC SCHOOL JALGAON, Jalgaon
Subject :NSO    Class : Class 5

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huzaifa from kendriye vidayalaya sanghathan, New Delhi
Subject :NSO    Class : Class 8

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Ridhi Goyal from DAV Public School, Ludhiana
Class : Class 9
state of rest is equilibrium so answer is when resultant force is zero

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Soumik Dash from VIDYASAGAR SHISHU NIKETAN, Midnapore
Subject :NSO    Class : Class 6

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Kush Malpani from Cathedral and John Connon Senior School, Mumbai
Subject :NSO    Class : Class 6

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Dipam from Podar International School, Aurangabad
Subject :NSO    Class : Class 5

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Arin Weling from ,
Subject :NSO    Class : Class 7

Which of the following statements is false regarding physical and chemical properties?

A The composition of matter need not be changed for observing a physical change.
B During a chemical reaction, molecules undergo a change and their concentration keeps decreasing along with time.
C Chemical property is the ability of matter to undergo some chemical change because of its composition.
D During a chemical reaction, same molecules are present throughout the change.

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

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Arin Weling from ,
Subject :NSO    Class : Class 7

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aakash srivastava from st francis college lucknow, Lucknow
Class : Class 8
Sakshi's experiment was realllly interesting !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! The ans is [ C ]

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