Chemistry is the study of the behavior and composition of matter. All foods aremade up of chemical substance which undergoes chemical changes when cooking 1.______in an oven or digested within the body. The cooking of meat and vegetables induce 2.______chemical changes, making it more delicious; similarly the leavening action of 3.______baking powder is a straightforward chemical change, as is the conversion ofstarch into sweet sugars by digestion.Cookery is a science requiring a knowledge of chemistry. 4.______This is evident from the variety of cooking products and food additives availableas cooking oils, fats, colorings, sweeteners, tenderizers, flavorings, screamingagents, preservatives, etc. Each is carefully prepared before painstaking 5.______research. It is therefore essential for trained cookers to understand 6.______chemical science in order to appreciate the chemistry nature of foods 7.______and the changes achieving on cooking. Homeworkers should also 8.______know cleansing agents and textiles used in the home and how the latter 9.______responds to the effects of heat, light, water, and chemical cleansing agents. 10.______