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Fats
Fats are also known as lipids. They are long molecules of fatty acids and an alcohol called glycerol. Fats contain the same elements as carbohydrates i.e., carbon, hydrogen and oxygen, but the oxygen content is lower. The main function of fats is to provide energy. In..
Calorific Value of Foods and Fuels
(Molar mass of CH 4 =16) The fuels are graded, and priced on the basis of their calorific values. Amongst the fuels, hydrogen has the highest calorific value. But, hydrogen is not used as the domestic/industrial fuel because of the following reasons: Hydrogen has a very low boiling point...
Suggest possible confounding variables for the situation given." Two g..
Suggest possible confounding variables for the situation given. " Two groups of people consisting of 6 people each are given 2 special diets - a low- fat diet and a high-fat diet. After 3 months the blood pressures of the groups are compared to see if diet has any effe..
Food Adulteration
Food Adulteration - The deliberate contamination of food materials with low quality, cheap, non-edible or toxic substances is called food adulteration. The substance which degrades (lowers) the quality of a food is called an adulterant. Adulteration..
Classification of food
Classification of food - On the basis of nutrients food can be classified into seven different groups: Carbohydrates Proteins Fats Vitamins Minerals Roughage Water Table 3. Composition of some common foods Food Carbohydrate Fat Protein Bre..
Components of Food
Components of Food - The components of food are certain organic substances and minerals found in food. They are called nutrients. Nutrients provide the body with energy and enable it to grow, repair and maintain itself. Hence it is important that we understand the exac..
Components of Food - The components of food are certain organic substances and minerals found in food. They are called nutrients. Nutrients provide the body with energy and enable it to grow, repair and maintain itself. Hence it is important that we understand the exac..Organic Food
Organic Food - With world wide awareness about dangers of persisting pesticides in food crops, enormous interest is shown in food grown on organic farming principles. Such food is called organic food . Organic farming is a method of farming wherein ..
The scatter plot shows the relationship between the fat (grams) and th..
The scatter plot shows the relationship between the fat (grams) and the total calories in different types of fast food items. Predict the total number of calories in a food item containing 15 grams of fat. => about 200 or about 580 or about 350 or about 300 o..
Classification of Food - Continued
Fats - Fats are also known as lipids. They are long molecules of fatty acids and an alcohol called glycerol. Fats contain the same elements as carbohydrates i.e., carbon, hydrogen and oxygen, but the oxygen content is lower. The main function of fats is to pr..
Energy giving food
Energy is required by the body to do work and to perform all the physiological functions of the body. Carbohydrates like rice wheat, potato and fats like ghee and oil belong to this gro..
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