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NCERT Class XII Chemistry
Chapter - The Solid State
Questions with Solutions

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Question : 3 of 50
Marks: +1, -0
Classify each of the following solids as ionic, metallic, molecular, network (covalent) or amorphous.
(i) Tetraphosphorus decoxide, P4_4O10_10
(ii) Ammonium phosphate, (NH4_4)3_3PO4_4
(iii) SiC
(iv) I2_2
(v) P4_4
(vi) Plastic
(vii) Graphite
(viii) Brass
(ix) Rb
(x) LiBr
(xi) Si
Solution:  
P4_4O10_10 - molecular, (NH4_4)3_3PO4_4 - ionic, SiC - network(covalent), I2_2 - molecular, P4_4 - molecular, plastic - amorphous, graphite - covalent, brass - metallic, Rb - metallic, LiBr - ionic, Si - covalent
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