National Science Olympiad Forum By SOF Olympiad Trainer - Page 442
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Chanpartap from The British Co Ed High School , Patiala
Subject :NSO    Class : Class 7

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Sunita from Dps, Greater Noida
Subject :NSO    Class : Class 5

Ans 1:

from , rajahmundry
Class : Class 2
 Metals are generall sonorous. That is they make a ringing sound when struck. Therefore, they are used for making bells. Metal wires are used in musical instruments.  Metals such as iron are very strong. Therefore, it is therefore, widely used in the construction of buildings, bridges, railway lines, carriages, vehicles and machinery So,Ans is D

Ans 2:

from , rajahmundry
Class : Class 2
 Metals are generall sonorous. That is they make a ringing sound when struck. Therefore, they are used for making bells. Metal wires are used in musical instruments.  Metals such as iron are very strong. Therefore, it is therefore, widely used in the construction of buildings, bridges, railway lines, carriages, vehicles and machinery. SO,Ans is - D

Ans 3:

from , rajahmundry
Class : Class 2
 Metals are generall sonorous. That is they make a ringing sound when struck. Therefore, they are used for making bells. Metal wires are used in musical instruments.  Metals such as iron are very strong. Therefore, it is therefore, widely used in the construction of buildings, bridges, railway lines, carriages, vehicles and machinery. SO,Ans is - D

Ans 4:

from , rajahmundry
Class : Class 2
 Metals are generall sonorous. That is they make a ringing sound when struck. Therefore, they are used for making bells. Metal wires are used in musical instruments.  Metals such as iron are very strong. Therefore, it is therefore, widely used in the construction of buildings, bridges, railway lines, carriages, vehicles and machinery So,Ans is D

Ans 5:

from , rajahmundry
Class : Class 2
ans D

Ans 6:

Sunita from Dps, Greater Noida
Class : Class 9
dt

Ans 7:

from , rajahmundry
Class : Class 2
ans D

Ans 8:

from , rajahmundry
Class : Class 2
 Metals are generall sonorous. That is they make a ringing sound when struck. Therefore, they are used for making bells. Metal wires are used in musical instruments.  Metals such as iron are very strong. Therefore, it is therefore, widely used in the construction of buildings, bridges, railway lines, carriages, vehicles and machinery So,Ans is D

Ans 9:

from , rajahmundry
Class : Class 2
 Metals are generall sonorous. That is they make a ringing sound when struck. Therefore, they are used for making bells. Metal wires are used in musical instruments.  Metals such as iron are very strong. Therefore, it is therefore, widely used in the construction of buildings, bridges, railway lines, carriages, vehicles and machinery So,Ans is D

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Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 7

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Ainesh das from Chrysalis, Bangalore
Subject :NSO    Class : Class 4

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Ajoy Bhuyan from DELHI PUBLIC SCHOOL, Bongaigaon
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

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Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 7

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Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 7

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K THAARANI PRIYA from , chennai
Subject :NSO    Class : Class 8

Ans 1:

DIVYA SHUKLA from Rayan International School Rohini H3 Sector11, Delhi
Class : Class 8
the answer is wronggggg

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Shailaja Divakar from Chennai public school global school, London
Subject :NSO    Class : Class 4

Ans 1:

Savya Sanjay Agarwal from Don Bosco High School, Naigaon East
Class : Class 4
it is not the hottest planet in the universe but in solar system

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Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 7

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