CIDESCO Practice Questions V A+ RATED solution
Which one of the following chemicals consists mainly of hydrocarbons? 1) minerl oil 2) olive oil 3) almond oil 4) lavendr oil - Mineral oil Which one of the following acids is most abundant in fats and oils from plants and animals? a- steric acid b- lactic acid c- acetic acid d- hydrocholric acid - Stearic acid Freeze drying of a substance is known as? a- saponification b- lyophilisation c- sublimation d- fermentation - Lyophilisation The breakdown of natural fats to produce soap is an example of? - Saponification Cleansing milk is an example of? - An emulsion The process in which a liquid is boiled and the vapour allowed to condense is called? - Distillation The property of becoming temporarily liquid when shaken or stirred is called? a- thixotropy b- viscosit c- homogenous d- lyophilisation - Thixotropy
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