Low calorie sweetener substance used by the people of West Africa is
99. Aspartame is an artificial sweetener sold in the market. It consists of amino acids and provides calories like other amino acids. Yet, it is used as a low-calorie sweetening agent in food items. What is the basis of this use? [2011 - I]
Write answers the following questions.
(a) What is meant by the melting point of substance?
(b) What is one calorie of heat?
(c) Where is a calorimeter used?
(d) What is a special characteristic of mercury?