Chemistry - Study Mode

[#906] The material known in commerce as Terylene is a
Correct Answer

(A) Synthetic fibre

Explanation

Solution: Terylene is the name for a synthetic polyester fibre. It is a synthetic polyester fibre or fabric based on terephthalic acid, characterized by lightness and crease resistance and used for clothing, sheets, ropes, sails, etc.

[#907] Nylon is a type of
Correct Answer

(A) Polyamide

Explanation

Solution: Nylon is a generic designation for a family of synthetic polymers, based on aliphatic or semi-aromatic polyamides. Nylon is a thermoplastic silky material that can be melt-processed into fibers, films, or shapes. It is made of repeating units linked by amide links similar to the peptide bonds in proteins.

[#908] Nylon is made up of :
Correct Answer

(A) Polyamide

Explanation

Solution: Nylon is a generic designation for a family of synthetic polymers, based on aliphatic or semi-aromatic polyamides. Nylon is a thermoplastic silky material that can be melt-processed into fibers, films, or shapes. It is made of repeating units linked by amide links similar to the peptide bonds in proteins.

[#909] Nylon threads are made of
Correct Answer

(B) Polyamide polymer

Explanation

Solution: Nylon threads are polyamides. They are the condensation polymers of diamines and dibasic acids.

[#910] 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by
Correct Answer

(B) 4

Explanation

Solution: 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 4.