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Agnimitra Gupta from south point school, Kolkata
Subject :NSO    Class : Class 4

X changes to Y when it is cooled down.
Select the correct option about the arrangement of molecules in X and Y.

A
B
C
D


Ans 1:

IAMLOST from ABC, Pune
Class : Class 8

Ans 2:

Kaashvi Sharma from Bal Bharati Public School, GRHM, New Delhi
Class : Class 8
if an object is cooled down the molecule structure changes from loosely packed to tightly packed. therefore none of the options is correct

Ans 3:

Sandipta Bhattacharjee from Sri Ram Narayan Singh Memorial High School, Kolkata
Class : Class 5
I have by mistake typed it Co sorry it will be C. I have a solution we can report error.

Ans 4:

ArhamAnay Jain 4G from MDPS, Faridabad
Class : Class 4
all options are wrong

Ans 5:

sundus from salwan public school, Gurgaon
Class : Class 4
All options are WRONG

Ans 6:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 6
PLS. CORRECT

Ans 7:

Baibhab Tripathy from SAI INTERNATIONAL SCHOOL, BHUBANESWAR
Class : Class 7
I think al options are wrong . Please tell the correct answer

Ans 8:

Vidhya M from Vibgyor High Bannerghatta, Bangalore
Class : Class 7
When a substance is cooled the molecules come closer. But there is no picture showing that the molecules are coming closer there is no correct answer. Also option B and C are the same. Can you please change it?

Ans 9:

Bhavya Jain from K R Mangalam World Scholl, GHAZIABAD
Class : Class 4
how can liquid turn into gas by freezing ? Option A does the same thing so the correct option should be D

Ans 10:

Shailaja Divakar from Chennai public school global school, London
Class : Class 6
All the answer is wrong. In the NSO book, it is right.

Ans 11:

Aparna praveen from Rajagiri, Ernakulam
Class : Class 4
is there a correction in the options given?if not please clarify with explanation

Ans 12:

Aarush Thakur from DPS, Gurgaon
Class : Class 6
option d maybe

Ans 13:

Yaduveer Rathore from MSMS School, Jaipur
Class : Class 5
wrong wrong wrong wrong wrong wrong

Ans 14:

Riddhima Pandey from Chinmaya Vidyalaya, Bokaro Steel City
Class : Class 3
I agree with Harry , 1 B AND C ARE NOT THE SAME. 2 When liquid is cooled down it forms solid, SO THE ONLY ANSWER IS CCCC

Ans 15:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7

Ans 16:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 9
b and c are all the same

Ans 17:

Ashwak from Cambridge, Jalandhar
Class : Class 8
The question , answer and the solution are all correct … Vrishank don't say that the SOF is mad ( I think you are mad ) you are a FOOL

Ans 18:

shivan iyer from dr pillai global academy, MUMBAI
Class : Class 4
Qtn. agreed but main point is which is column X and which is column is Y??????

Ans 19:

Ainesh das from Chrysalis, Bangalore
Class : Class 4
all are wrong

Ans 20:

Archit Borkar from SSVM World School, Coimbatore
Class : Class 8
wrong options

Ans 21:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4

Ans 22:

from ,
Class : Class 5
Options are wrong. Molecular distance should be less. first fix which column is X and Y.

Ans 23:

Ainesh das from Chrysalis, Bangalore
Class : Class 4
ansAll answers oposite

Ans 24:

VAIBHAV RAI from Cambridge Court High School, JAIPUR
Class : Class 8
I think all options are wrong

Ans 25:

Deepayan Das from South Point High School, Kolkata
Class : Class 6
There is no specific details about which one is X or Y.So by common sense I think that it would be D.But B

Ans 26:

Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Class : Class 4
all Q are wrong

Ans 27:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 6
question, answer and solution is wrongall the options are showing the difference on heating

Ans 28:

Prashanth from Gems Modern Academy, Dubai
Class : Class 5
SHOULD HAVE BEEN SPECIFIC WITH RESPECT TO X AND Y MARKING

Ans 29:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
I also think that.Questions ,options, colums and answers didn't mentioned.

Ans 30:

Samika Ranjan from The Shri Ram School Aravali, Gurgaon
Class : Class 7
please change the question.

Ans 31:

Prerona Chatterjee from Delhi Public School North Kolkata, Kolkata
Class : Class 5
The question is wrong... and so the answer is also misleading.

Ans 32:

Inakshi Dev from Hemsheela, Kolkatta, Kolkatta
Class : Class 4
Are B, C, D correct.

Ans 33:

Ashwak from Cambridge, Jalandhar
Class : Class 8
The correct answer is C

Ans 34:

Pratibha from Vaels billabong international, Chennai
Class : Class 5
Can somebody pls answer this question with explanation

Ans 35:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
HARRY CAN YOU PLEASE EXPLAIN ME

Ans 36:

Chiranjib kar from MOUNT LITERA ZEE SCHOOL, JAJPUR
Class : Class 6
Options are wrong. Molecular distance should be less.

Ans 37:

Tulaa Auti from Vidya valley school, pune
Class : Class 4
All are wrong. At least number of atoms should be same. So answer should be D

Ans 38:

Shailaja Divakar from Chennai public school global school, London
Class : Class 6

Ans 39:

monisha garg from carmel convent school sector 9 chandigarh, panchkula
Class : Class 4
all options are wrong

Ans 40:

Mahati p from cornerstone the public school, deepthi sreenagar colony hyderabad
Class : Class 6
All the options are totally wrong, please change them

Ans 41:

Sandipta Bhattacharjee from Sri Ram Narayan Singh Memorial High School, Kolkata
Class : Class 5
B and Co are same. Intermolecular space is not decreasing in any of the situations. It is wrong.

Ans 42:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7
Please please please please please please please please change the question

Ans 43:

Arpit Pratap Singh from Delhi Public School Bangalore North , Bengaluru
Class : Class 7
you are right vaibhav all are wrong

Ans 44:

Mahati p from cornerstone the public school, deepthi sreenagar colony hyderabad
Class : Class 6

Ans 45:

Saumya Asmriti from CITY MONTESSORY SCHOOL INTER COLLEGE LUCKNOW UTTAR PRADESH, Lucknow
Class : Class 4
All options are wrong.

Ans 46:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
ALL OPTIONS ARE WRONG

Ans 47:

AHANA BAG from DELHI PUBLIC SCHOOL JOKA SOUTH KOLKATA, KOLKATA
Class : Class 9
the options are wrong

Ans 48:

Vrishank Sai Anand from GEMS Modern Academy, Dubai
Class : Class 2
SOF IS MAD

Ans 49:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4
Option b, c are the same. Pls give me a proper explanation as to why one option is correct

Ans 50:

NEEV SINGH from VISHWA BHARATI PUBLIC SCHOOL, Noida
Class : Class 8
all options are wrong

Ans 51:

shreyash rawat from podar international school, pune
Class : Class 8
4wrong question

Ans 52:

Isra Fathima from sophia high school, Bengaluru
Class : Class 7
The options given are wrong / confusing. Please clarify.

Ans 53:

Prashanth from Gems Modern Academy, Dubai
Class : Class 5
THE ANSWER IS WRONG.

Ans 54:

Kanav Dhingra from DPS sec45, Gurgaon
Class : Class 6
ALL ARE WRONG

Ans 55:

Utkarsh Chakravarty from Pinnacle High International School, Mumbai
Class : Class 6
None of the options are correct according to my doubt.

Ans 56:

Deepak Vijayaragavan from Greenwood High, Bengaluru
Class : Class 4
Please change it. It is correct in NSO book like Harish Divakar said

Ans 57:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 8
it is wrong

Ans 58:

BISWADITYA TRIPATHY from Delhi public school Bangalore east, Bangalore
Class : Class 4
Please explain the answer. I also support Baibhab that the choices given are wrong.

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