CIDESCO CORRECT FINALS QUESTIONS AND
ANSWERS SET A+
✔✔The chemical symbol for iron is: - ✔✔Fe
✔✔The smallest part of a compound which still has the same properties of that
compound is: - ✔✔a molecule
✔✔Which one of the following is NOT compound? - ✔✔air
✔✔A substance forimed by uniting two elements chemically is known as a/an: -
✔✔compound
✔✔Oil and fat combined together in a cream form is an example of: - ✔✔a mixture
✔✔The predominant bonding of atoms in inorganic compounds is known as: - ✔✔ionic
✔✔Which one of the following is an ionic compound? - ✔✔sodium hydroxide
✔✔Which one of the following is a covalent compound? - ✔✔carbon dioxide
✔✔Rusting of iron is caused by: - ✔✔oxidation
✔✔The valency of oxygen is: - ✔✔2
✔✔Which one of the following compounds is a hydrocarbon? - ✔✔petrolatum
✔✔Which of the following chemicals consists mainly of hydrocarbons? - ✔✔mineral oil
✔✔Which of the following is a solid hydrocarbon? - ✔✔paraffin wax
,✔✔Which one of the following acids is most abundant in fats and oils from plants and
animals? - ✔✔stearic acid
✔✔Ointments mixtures in a: - ✔✔semi-solid state
✔✔Freeze drying of a substance is known as: - ✔✔lyophilisation
✔✔The breakdown of natural fats to produce soap is an example of: - ✔✔saponification
✔✔A substance that is dissolved in a solvent to form a solution is called a/an: -
✔✔solute
✔✔An example of a universal solvent is: - ✔✔water
✔✔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: -
✔✔thixotropy
✔✔An emulsion in which the parts are all of the same size is called: - ✔✔homogenous
✔✔The thickness of liquid is known as: - ✔✔viscosity
✔✔An emulsion is: - ✔✔an homogeneous mixture of two substances not mixing under
normal conditions
✔✔A more permanent mixture of two immiscible substances is called a/an: -
✔✔emulsion
✔✔An emulsion is: - ✔✔a dispersion of one phase in another
✔✔The main ingredient oil-in-water emulsion is: - ✔✔water
✔✔The main ingredient in a water-in-oil emulsion is: - ✔✔oil
✔✔The main function of an emollient is to: - ✔✔soften the surface of the skin
✔✔Which one of the following has an emoltient effect on the skin? - ✔✔almond oil
✔✔A wax of vegetable origin used in the making of lipstick is: - ✔✔carnauba
, ✔✔A substance having the ability to attract water to itself is: - ✔✔humectant
✔✔Which one of the following is a humectant? - ✔✔propylene glycol
✔✔A substance that repels water is called: - ✔✔hydrophobic
✔✔The effect of camomile on the skin is: - ✔✔anti-inflammatory
✔✔Dihydroxyacetone (DHA) is found in: - ✔✔self-tanning products
✔✔Royal jelly contains: - ✔✔Vitamin B
✔✔The name given to the grease extracted from sheep's wool is: - ✔✔lanolin
✔✔Which one of the following is white, solid, substance? - ✔✔cetyl alcohol
✔✔Algae are used in cosmetic because they: - ✔✔have a conditioning effect on the
skin
✔✔Which one of the following ingredients is obtained from a succulent cactus-like
plant? - ✔✔aloe vera
✔✔Amino acids are used in cosmetics because they: - ✔✔moisturise the skin
✔✔Azulene is substance obtained from: - ✔✔the camomile plant
✔✔Allantoin is used in cosmetics because: - ✔✔of it's healing properties
✔✔Aluminium salts are ingredients of: - ✔✔astringents
✔✔Calamine is used in cosmetics because it: - ✔✔has a soothing effect
✔✔Chlorhexidine is used in cosmetics because: - ✔✔it is an effective bacteriocide
✔✔Collagen is used in cosmetics because it: - ✔✔helps the skin retain moisture
✔✔Hydrogen peroxide is used as a bleaching agent because it: - ✔✔is an oxidising
agent
✔✔Natural moisturising factor (NMF) contain: - ✔✔amino acids
✔✔Placentary extracts are used in cosmetics: - ✔✔for skin activating
ANSWERS SET A+
✔✔The chemical symbol for iron is: - ✔✔Fe
✔✔The smallest part of a compound which still has the same properties of that
compound is: - ✔✔a molecule
✔✔Which one of the following is NOT compound? - ✔✔air
✔✔A substance forimed by uniting two elements chemically is known as a/an: -
✔✔compound
✔✔Oil and fat combined together in a cream form is an example of: - ✔✔a mixture
✔✔The predominant bonding of atoms in inorganic compounds is known as: - ✔✔ionic
✔✔Which one of the following is an ionic compound? - ✔✔sodium hydroxide
✔✔Which one of the following is a covalent compound? - ✔✔carbon dioxide
✔✔Rusting of iron is caused by: - ✔✔oxidation
✔✔The valency of oxygen is: - ✔✔2
✔✔Which one of the following compounds is a hydrocarbon? - ✔✔petrolatum
✔✔Which of the following chemicals consists mainly of hydrocarbons? - ✔✔mineral oil
✔✔Which of the following is a solid hydrocarbon? - ✔✔paraffin wax
,✔✔Which one of the following acids is most abundant in fats and oils from plants and
animals? - ✔✔stearic acid
✔✔Ointments mixtures in a: - ✔✔semi-solid state
✔✔Freeze drying of a substance is known as: - ✔✔lyophilisation
✔✔The breakdown of natural fats to produce soap is an example of: - ✔✔saponification
✔✔A substance that is dissolved in a solvent to form a solution is called a/an: -
✔✔solute
✔✔An example of a universal solvent is: - ✔✔water
✔✔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: -
✔✔thixotropy
✔✔An emulsion in which the parts are all of the same size is called: - ✔✔homogenous
✔✔The thickness of liquid is known as: - ✔✔viscosity
✔✔An emulsion is: - ✔✔an homogeneous mixture of two substances not mixing under
normal conditions
✔✔A more permanent mixture of two immiscible substances is called a/an: -
✔✔emulsion
✔✔An emulsion is: - ✔✔a dispersion of one phase in another
✔✔The main ingredient oil-in-water emulsion is: - ✔✔water
✔✔The main ingredient in a water-in-oil emulsion is: - ✔✔oil
✔✔The main function of an emollient is to: - ✔✔soften the surface of the skin
✔✔Which one of the following has an emoltient effect on the skin? - ✔✔almond oil
✔✔A wax of vegetable origin used in the making of lipstick is: - ✔✔carnauba
, ✔✔A substance having the ability to attract water to itself is: - ✔✔humectant
✔✔Which one of the following is a humectant? - ✔✔propylene glycol
✔✔A substance that repels water is called: - ✔✔hydrophobic
✔✔The effect of camomile on the skin is: - ✔✔anti-inflammatory
✔✔Dihydroxyacetone (DHA) is found in: - ✔✔self-tanning products
✔✔Royal jelly contains: - ✔✔Vitamin B
✔✔The name given to the grease extracted from sheep's wool is: - ✔✔lanolin
✔✔Which one of the following is white, solid, substance? - ✔✔cetyl alcohol
✔✔Algae are used in cosmetic because they: - ✔✔have a conditioning effect on the
skin
✔✔Which one of the following ingredients is obtained from a succulent cactus-like
plant? - ✔✔aloe vera
✔✔Amino acids are used in cosmetics because they: - ✔✔moisturise the skin
✔✔Azulene is substance obtained from: - ✔✔the camomile plant
✔✔Allantoin is used in cosmetics because: - ✔✔of it's healing properties
✔✔Aluminium salts are ingredients of: - ✔✔astringents
✔✔Calamine is used in cosmetics because it: - ✔✔has a soothing effect
✔✔Chlorhexidine is used in cosmetics because: - ✔✔it is an effective bacteriocide
✔✔Collagen is used in cosmetics because it: - ✔✔helps the skin retain moisture
✔✔Hydrogen peroxide is used as a bleaching agent because it: - ✔✔is an oxidising
agent
✔✔Natural moisturising factor (NMF) contain: - ✔✔amino acids
✔✔Placentary extracts are used in cosmetics: - ✔✔for skin activating
