CBSE Class 10 Science 2022 Delhi Term II Set 1

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Question : 8
Total: 15
(a) State Newland Law of Octaves.**
1+1+12+12=3
(b) With an example, explain Dobereiner's Triads.**
(c) List one limitation each of both the attempts mentioned in ' a ' & ' b '.**
Solution:  
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