18- Iron rust is a example of physical change chemical change mechanical change 19- Polymers in which various individual chains are connected together by covalent bonds are called as polymers. cross linked Branched-chain Linear 20- The thermal conductivity of ceramics is lower from metals. True False

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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18- Iron rust is a example of
physical change
chemical change
mechanical change
19- Polymers in which various individual
chains are connected together by
covalent bonds are called as
polymers.
cross linked
Branched-chain
Linear
20- The thermal conductivity of ceramics
is lower from metals.
True
False
Transcribed Image Text:18- Iron rust is a example of physical change chemical change mechanical change 19- Polymers in which various individual chains are connected together by covalent bonds are called as polymers. cross linked Branched-chain Linear 20- The thermal conductivity of ceramics is lower from metals. True False
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