National Science Olympiad Forum By SOF Olympiad Trainer - Page 851
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Shweta Basu from Amity international School, Gurgaon
Subject :NSO    Class : Class 7

Ans 1:

Anu Sharma from DPS Noida, Noida
Class : Class 2
because metals reacts with the acid and stored in them

Ans 2:

gaurang gupta from mount litra zee school, uttar pradesh
Class : Class 8
acid Croce metal only one acid is there which stored in plastic it is hydrofluoric acid

Ans 3:

aryan from nand vidya niketan,
Class : Class 7
Because acids corrode the surface of the metals but not of glass

Ans 4:

Soham chakravorty from Delhi public school, Bengaluru
Class : Class 7
they are not stored in metallic containers as metallic containers react with acids

Ans 5:

Manan Sharma from Naini Valley School, Kathgodam
Class : Class 7
Because most acids will corrode the metal container

Ans 6:

KRITHIGHA SHRI M P from KAMALA NIKETAN MONTESSORI SCHOOL, TRICHIRAPPALLI
Class : Class 8
To avoid the chemical reaction with metal

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khushboo from DPS, New Delhi
Subject :NSO    Class : Class 3

Ans 1:

Shagun from MAXFORT DWARKA, New Delhi
Class : Class 5
touch hearing and looking.

Ans 2:

Sivanthili.sivaganesh from kamalaniketan , Trichy
Class : Class 3
Looking

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khushboo from DPS, New Delhi
Subject :NSO    Class : Class 6

Ans 1:

Aarya M Shah from Navrachana Vidyani Vidyalaya, Vadodara
Class : Class 4
8

Ans 2:

Shantaneel Sarkar from Delhi Public School, Nagpur
Class : Class 6
24 hours

Ans 3:

Rishit Ojha from National Hill View Public School, Bengaluru
Class : Class 9
24 hours

Ans 4:

Aarya M Shah from Navrachana Vidyani Vidyalaya, Vadodara
Class : Class 4
Sunglasses protect us from the sun's rays.

Ans 5:

Vibha from DAV Public School New Panvel, Mumbai
Class : Class 6
8

Ans 6:

S.Mukunthan from D.A.V.Public School, Chennai
Class : Class 6
It protects us from the harmful rays of uv light from the sun

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khushboo from DPS, New Delhi
Subject :NSO    Class : Class 3

Ans 1:

Adithya Bharath M from Manipal School, Mangalore
Class : Class 7
there are 8 planets

Ans 2:

Sivanthili.sivaganesh from kamalaniketan , Trichy
Class : Class 3
Eight

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