Polyamides Quiz PDF: Questions and Answers - 267

MCQ 1331: Climbing ropes are made from

1. plastic
2. wood
3. rubber
4. nylon

MCQ 1332: Consider the reaction: (NH₂)₂CO + H₂O → NH₃ + CO₂. The substrate in this reaction is

1. urease
2. urea
3. water
4. Hydrogen Gas

MCQ 1333: According to Lord Kelvin the particles in a gas will stop moving and gas will have zero volume at temperature in °C i.e.

1. −273
2. −723
3. −732
4. −700

MCQ 1334: When sodium (Na) is heated and added to chlorine gas (Cl₂) jar it forms

1. sodium chloride
2. sodium bicarbonate
3. sodium sulfide
4. water

MCQ 1335: The number of electrons (e^-) are always equal to number of protons(p⁺) in a

1. neutral atom
2. positive ion
3. negative ion
4. isotope