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Niten Mohan from ,
Subject :NSO    Class : Class 8

Ans 1:

dhruv from Sri Aurobindo Memorial School, Bengaluru
Class : Class 9
it is test tube three as it depends on the reactivity series.only in test tube 3 zinc displaces copper and in the rest the metals cant displace the alternate metal as the metal in the salt solution is more reactive than the other metal

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Jordan Cole from NCS Arakkonam, Arakkonam
Subject :NSO    Class : Class 4

Ans 1:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is D.

Ans 2:

Jordan Cole from NCS Arakkonam, Arakkonam
Class : Class 3
you can get confused very very easily

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Aastik from Joy senior secondary school, Jabalpur
Subject :NSO    Class : Class 10

Ans 1: (Master Answer)

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

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Mannat Verma from Vivek High School , Chandigarh
Subject :NSO    Class : Class 4

Ans 1:

Nishchita from Gems Modern Academy , Dubai
Class : Class 5
The correct answer is D

Ans 2:

Sai Natesh Bysani from GLOBAL INDIAN INTERNATIONAL SCHOOL, Bengaluru
Class : Class 5
how is it possible

Ans 3:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is D because you can see that the Q decreases and P increases in Z so M was introduced in Z.And the food chain should be P then M and then Q and the arrows show who eats whom.For example,the arrow pointing P back pointing to M tells P eats M.

Ans 4:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is D because you can see that the Q decreases and P increases in Z so M was introduced in Z.

Ans 5:

Priyanshi from Delhi Public School, Gurugram
Class : Class 4
D is the correct answer

Ans 6:

Midhuna from ABCD, Banglore
Class : Class 3
Tricky question🧐🤨🤔

Ans 7:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 4

Ans 8:

Shaurya Suryawanshi from The Orbis school, Pune
Class : Class 6
Please give answer

Ans 9:

sundus from salwan public school, Gurgaon
Class : Class 4

Ans 10:

SOUMI PAL from DELHI PUBLIC SCHOOL, DURG
Class : Class 6

Ans 11:

SOUMI PAL from DELHI PUBLIC SCHOOL, DURG
Class : Class 6
Yes👍 of ans2

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Mannat Verma from Vivek High School , Chandigarh
Subject :NSO    Class : Class 4

Ans 1:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is B because something is on the yolk marked as x so it is not supposed to be A-Yolk,it is supposed to be B-Germinal Disc.

Ans 2:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is B because something is on the yolk so it is not supposed to be A-Yolk,it is supposed to be B-Germinal Disc.

Ans 3:

Shaurya Veer from CAMBRIDGE INTERNATIONAL SCHOOL , Palampur
Class : Class 6

Ans 4:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 4
What?I don't know this.Niether was it in the sipnoses.So,if you answered it correctly,how did you know?Pls answer

Ans 5:

arsh from nps, bangalore
Class : Class 4

Ans 6:

Annika from presidency, bangaluru
Class : Class 5

Ans 7:

jayasree from montessori school, KURNOOL
Class : Class 3

Ans 8:

arsh from nps, bangalore
Class : Class 4

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Maheen from Deens Academy, Bengaluru
Subject :NSO    Class : Class 8

Ans 1:

Maheen from Deens Academy, Bengaluru
Class : Class 7
The green material is a mixture of copper hydroxide Cu(OH)2 and copper carbonate Cu(OH)2(This is also copy pasted from your solution. Please explain it)

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Maheen from Deens Academy, Bengaluru
Subject :NSO    Class : Class 8

Ans 1:

Sneha Bhargava from Blue Bells Group of Schools, Jhansi
Class : Class 8
D

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Maheen from Deens Academy, Bengaluru
Subject :NSO    Class : Class 8

Ans 1:

Anushka Srivastava from Convent Of Jesus And Mary , Dehradun
Class : Class 8
The Direction of motion Explained in the Solution is wrong Kindly assist with the correct answer.

Ans 2:

The Address from Somaiya, Mumbai
Class : Class 6

Ans 3:

thechampiondaksh from K R Mangalam World School, New Delhi
Class : Class 8
the direction of the frictional force is always to the direction of motion that is why the answer should be (b)

Ans 4:

thechampiondaksh from K R Mangalam World School, New Delhi
Class : Class 8
the direction of the frictional force is always to the direction of motion that is why the answer should be (b)

Ans 5:

Sarthak Gupta from Delhi Public School Sector 12 R K PURAM, NewDelhi
Class : Class 8
SOF your solution is correct but your answer is wrong and do you people even correct the questions

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Niten Mohan from ,
Subject :NSO    Class : Class 5

Ans 1:

Harsh Sobti from the samhita academy, BLR
Class : Class 5

Ans 2:

Mallika Gupta from NPS indiranagar, Bangalore
Class : Class 9
c

Ans 3:

Suvan S from Emerald International School, Bangalore
Class : Class 5
Answer is C because when friction is applied we will not slip if we run so it is an advantage.

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Aarit Arora from SOMERVILLE, DELHI
Subject :NSO    Class : Class 8

Ans 1:

fatima from mahatma phule english school, degloor
Class : Class 8
please give me solution of this question

Ans 2:

Nikshay M S from Sudarshan Vidya Mandir, Bengaluru
Class : Class 8
can you give me the solution for this answerregards nikshay

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Yes.

Ans 4:

Gauri from Presidium, Gurgaon
Class : Class 8
I think there can be one more possibility of taking out the odd one out that is all other numbers except for 143 which was option a are divisible by 7 well as 143 is not divisible by 7

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