1) Which of the following is a good source of protein? a) pasta b) eggs c) fruit 2) Baking powder contains sodium hydrogencarbonate. What products form when this is heated? a) carbon dioxide b) water and sodium carbonate c) sodium carbonate, carbon dioxide and water 3) One of the reasons we cook food is: a) it kills harmful microbes b) it makes food more difficult to digest c) it converts carbohydrates into proteins 4) Mayonnaise is an example of an: a) emulsion b) emulsifier c) e number 5) A simple laboratory test for carbon dioxide gas is: a) limewater turns cloudy white b) a lighted splint goes pop c) a glowing splint relights 6) Which statement about food additives is true? a) they are all artificial b) they are all natural c) some are artificial and some are natural 7) Ascorbic acid is also known as: a) vitamin A b) vitamin C c) vitamin E 8) Why may antioxidants be present in modern food packaging? a) they help to prevent food going off b) they help to prevent the packaging from leaking c) they are produced by the food during storage 9) The ester made from butanol and ethanoic acid is: a) butyl ethanoate b) ethyl butanoate c) ethyl ethanoate 10) When an alcohol and a carboxylic acid react, they make an ester and what other product? a) water b) carbon dioxide c) hydrochloric acid

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