Natural fats are mixtures of

• Glycerol and fatty acids

• Еsters of the Higher alcohols

• Esters of fatty acids with glycerol

• Esters of fatty acids with Ethylene glycol

The alkaline-acid character of a synthetic detergent does not change the universal indicator colour, because it is

• alkaline

• neutral

• acidic

• sour

Which picture presents the natural soaps

• 
• 
• 

Which of the carbohydrates are monosaccharides ?

• starch

• fructose

• glucose

• cellulose

What type of carbohydrate is present in milk ?

• starch

• lactose

• ribose

• sucrose