23. This is a testing instrument similar to pipette, where the fruit juice is allowed to run down the tube for one minute
a. jelmeter
b. thermometer
C. refractometer
d. alcohol test

24. The amount of sugar is reduced to for fruit moderate in pectin.
a. 3/4 cup
b.½ cup
c.1 cup
d.¼cup

25. The proportion of sugar to be added depends upon the of the juice and the amount of pectin present.
a. acidity
b. availability
c. stability
d. flexibility​