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Rajendra Mishra from Kendriya Vidyalaya, Koliwada, Kane Nagar, Mumbai
Subject :NSO    Class : Class 6

Ans 1:

Rishit Sharma from Nehru World School, Ghaziabad
Class : Class 7
nickel

Ans 2:

Rishit Sharma from Nehru World School, Ghaziabad
Class : Class 7
nickel

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Rajendra Mishra from Kendriya Vidyalaya, Koliwada, Kane Nagar, Mumbai
Subject :NSO    Class : Class 6

Ans 1:

aishi das from bishop morrow school, krishnagar
Class : Class 6
answer is (D)

Ans 2:

Rajendra Mishra from Kendriya Vidyalaya, Koliwada, Kane Nagar, Mumbai
Class : Class 6

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Tanisha sharma from canterbury punblic school, delhi
Subject :NSO    Class : Class 7

Ans 1:

Khwahish Sharma from Oakfield Public School , Jaipur
Class : Class 7
Chemicals having ph below 7 are known as acids and chemicals having ph value above 7 are bases. Salt is an ionic compound which is formed after the neutrilization reaction of an acid and base.

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Rajendra Mishra from Kendriya Vidyalaya, Koliwada, Kane Nagar, Mumbai
Subject :NSO    Class : Class 6

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Rajendra Mishra from Kendriya Vidyalaya, Koliwada, Kane Nagar, Mumbai
Subject :NSO    Class : Class 6

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Rajendra Mishra from Kendriya Vidyalaya, Koliwada, Kane Nagar, Mumbai
Subject :NSO    Class : Class 6

Ans 1:

aishi das from bishop morrow school, krishnagar
Class : Class 6
answer is (C)

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Rajendra Mishra from Kendriya Vidyalaya, Koliwada, Kane Nagar, Mumbai
Subject :NSO    Class : Class 6

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Karmanya Gupta from DPS, Udaipur
Subject :NSO    Class : Class 5

Ans 1:

Ashher Pervez from DPS Bhilai, Bhilai
Class : Class 7
answer is reforestation (c)

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Karmanya Gupta from DPS, Udaipur
Subject :NSO    Class : Class 5

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Karmanya Gupta from DPS, Udaipur
Subject :NSO    Class : Class 5

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