Question

1. In the determination of melting point of a solid, the solid in small quantity is filled in a .......
a. fusion tube
b. capillary tube with one sealed end.
c. Thiele's tube containing paraffin liquid.
d. capillary tube with both open end.​

Answer 1

Answer:

capillary tube with both open end

Answer 2

In the determination of melting point of a solid, the solid in small quantity is filled in a small capillary tube.

• The melting point of a solid can be determined by placing small quantity of solid piece in a small capillary tube.
• The capillary tube is then attached to the stem of thermometer which is then centered in the heating bath.
• The bath is then heated and the temperatures are then obsereved and recorded.
• This can also be improved by replacing the small piece of solid with the powdered form.