Question

A coin is placed at the bottom of a glass tube containing molten wax and allowed to cool. When we heat the upper part of the glass tube, the wax around the coin will not melt because *

a. Wax has a very high melting point
b. wax is a good conductor of heat
c. glass is a good conductor of heat
d. wax and glass are bad conductors of heat

Answer 1

Answer:

preservation using Acetic Acid acetic acid is the form of vinegar is used in the manufacturing of several pickle products vinegar also stops the growth of microorganisms citric acid and phosphoric acid are also used in carbonated beverages and fruits drinks for both flavour and preservation

Answer 2

Answer:

a wax has a high melting point