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Anushka Srivastava from Cjm, Dehradun
Subject :NSO    Class : Class 6

Mark the incorrect statement.

A Melting of wax is a physical change while burning of wax in a candle is a chemical change.
B Metals expand on heating while contract on cooling. Both are physical changes.
C Composition of matter changes during a chemical change while it remains same during a physical change.
D High and low tides in sea are the examples of non-periodic changes while growth of a tree is a periodic change.


Ans 1:

Krithik Mishra from DPS East, Bangalore
Class : Class 6

Ans 2:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9
Option d is correct

Ans 3:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
d

Ans 4:

malhar thorve from city internqtional school, satara road, pune
Class : Class 6
option d is correct

Ans 5:

Snigdha swaminath from Christ nagar higher secondary school , Trivandrum
Class : Class 7
Option d is correct right can anyone explain the correct answer given

Ans 6:

Mihika Hivarekar from Global Indian International School, Pune
Class : Class 7
yea yea its D we get it

Ans 7:

SKIyer from CNS, Mumbai
Class : Class 6
D is the correct answer because the revolution of moon around the earth causes high tides and low tides and tree doesn't grow everyday.

Ans 8:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
Option D is incorrect

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