Q. If flexibility is in main chain covalent bonds and weak bonding between long chain molecules, then thermal energy can cause chain to take up a

View solution

Q. At ordinary temperatures, hydrogen bonds are in a

View solution

Q. In linear polymers, linking is in

View solution

Q. Fibre physics is a study about fibre

View solution

Q. Hard materials are made up of

View solution

Q. Molecular arrangement determines material's

View solution

Q. Hydrogen bond in water are strong enough to hold molecules as a crystalline solid at

View solution

Q. Graphite easily splits up because of

View solution

Q. Hydrogen bond is formed when electrons are shared by outer rings of

View solution

Q. For material with rubbery state, at low temperature or stronger bonding material is a

View solution

Q. Graphite is made up of

View solution

Q. Diamond is made up of atoms linked together with

View solution

Q. Water clarifies importance of hydrogen bond via

View solution

Q. Material when given tension straightens out and return on releasing tension, it is called as

View solution

Q. Large extension of any material is

View solution

Q. Arrangement of bonds and their strength determines the

View solution

Q. Hydrogen bonds can be formed between -CO.NH- and can be found in

View solution

Q. If material has strong tension, then molecules straightens out giving a

View solution

Q. Light atoms can move with help of

View solution

Q. Matter is made up of atoms joined together with bonds of

View solution