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Amishee Surya from bgsnps, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

SHREYAS ANDOTRA from RYAN INTERNATIONAL SCHOOL, CHANDIGARH
Class : Class 8
please specify reason

Ans 2:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
Option c is right..

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Samarth from null, null
Subject :NSO    Class : Class 3

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from harvest,
Subject :NSO    Class : Class 5

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Sradha Ratheesh from MGM central Public School, Trivandrum
Subject :NSO    Class : Class 7

The given diagram shows an experimental set-up to study osmosis. Which of the following combinations of liquids would cause liquid X to rise to the highest level in the glass tube after three hours?


  Liquid X Liquid Y
A Concentrated
sucrose solution		 Dilute sucrose
solution
B Concentrated
sucrose solution		 Water
C Dilute sucrose
solution		 Concentrated sucrose
solution
D Water Concentrated sucrose
solution


Ans 1:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
The answer must be b.. Isn't it?!!

Ans 2:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8

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from harvest,
Subject :NSO    Class : Class 5

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from mgd, jaipur
Subject :NSO    Class : Class 10

Ans 1:

BRahul pillai from Bvm elamakkara , Cochin
Class : Class 10
THE ANSWER FOR THIS QUESTION IS C.BECAUSE WHEN THE RATIO IS 3:2:1 THEN THE FIRST HYDROCARBON MUST BE A AN ALKANE .THUS OPTION ONE IS WRONG.THE SECOND OPTION WILL ALSO BE INCORRECT BECAUSE BROMIN WATER IS APPLICABLE TO UNSATURATED CARBON COMPOUNDS ,AND 2 AND 3 ARE UNSATURATED CARBON COMPOUNDS,SO OPTION TWO IS ALSO WRONG.FINALLUY THE OPTION THREE IS CORRECT AS TOLLENS TEST IS APPLICABLE TO CARBON COMPOUNDS WIT ALDEHYDE GROUP AND 2 AND 3 DOES NOT CONTAIN ALDEHYDE GROUP

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Vikram from AVM, Mumbai
Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

In the given circuit , the bulb will glow when the circuit will complete.For this to happen switch S3 must be closed .Along with this either or both of switch S1 and S2  should be closed.


Ans 2:

mystic bro7pro from arbor school, Hyderabad
Class : Class 3

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Nishant Hazarika from Air Force School, Dibrugarh
Subject :NSO    Class : Class 3

Ans 1:

karthik from royale concorde, bangalore
Class : Class 3
d

Ans 2:

SIDDHARTH SOMANI from Vibgyor High, Mumbai
Class : Class 4

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Ilfa MCC from Sree Gokulam public school , Calicut
Subject :NSO    Class : Class 6

When Asha suspended four bars of different materials from a pole and brought the North pole of a bar magnet near part P and Q of each bar one by one as shown in figure, then observations she recorded are as follows:

Which of the following sets correctly represents metal bars I, II, III and IV?

Bar I Bar II Bar III Bar IV
A Magnet Stainless steel Bar Magnet Iron bar
B Magnet Iron bar Magnet Glass bar
C Stainless steel bar Magnet Iron bar Magnet
D Magnet Iron bar Glass bar Stainless steel bar


Ans 1:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 6

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Eklavya Gondule from DPS Bhilai, BHILAI
Subject :NSO    Class : Class 3

Ans 1:

Dhwani Rautela from NPS Gottigere, BANGALORE
Class : Class 4

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