CIDESCO CORE 2026 TIPS QUESTIONS AND
ANSWERS SURE A+
✔✔A mask ingredient that has a soothing effect and is used on mature or dry skin is: -
✔✔almond oil
✔✔Matter is everything that: - ✔✔occupies space and has weight
✔✔Melting is the change of matter from: - ✔✔a solid to a liquid
✔✔An anion is: - ✔✔a negatively charged atom
✔✔A characteristic of an acid is: - ✔✔it can conduct an electric current
✔✔If the pH of a solution is between 5 and 7, the the solution is a: - ✔✔weak acid
✔✔An organic acid contains the chemical group: - ✔✔COOH
✔✔Hertz is a unit of: - ✔✔frequency
✔✔Example of synthetic substances are: - ✔✔plastics and silicones
✔✔The alterations of the properties of matter without the formations of any new
substance is called a/an: - ✔✔physical change
✔✔If a metal oxide is dissolved in water, it forms: - ✔✔an alkali
✔✔A characteristic of organic acids is that: - ✔✔they contain the element carbon (C)
✔✔A cathode is: - ✔✔a negatively charged electrode
, ✔✔The unit of frequency is: - ✔✔hertz
✔✔In the visible spectrum the colors in the correct order are: - ✔✔red, orange, yellow
and green
✔✔The effect of infrared rays on the skin is to: - ✔✔warm the deeper layers of the skin
✔✔Ultraviolet radiation is absorbed: - ✔✔mainly in the epidermis
✔✔Examples of insulators are: - ✔✔plastics
✔✔The function of a transformer is to change: - ✔✔the voltage of an alternating current
to a different voltage
✔✔Characteristic of life include: - ✔✔growth and metabolism
✔✔Examples of organic biological substances are: - ✔✔carbohydrates and fats
✔✔Examples of mineral substances are: - ✔✔paraffins and petroleum
✔✔Vaporization is the change of matter from: - ✔✔a liquid to a gas
✔✔Sublimation is the change of matter from: - ✔✔a solid to a gas
✔✔Condensation is: - ✔✔the change of a vapor to a liquid
✔✔Science deals mainly with: - ✔✔physics and chemistry
✔✔The field of physics includes: - ✔✔heat and electricity
✔✔A cation is a: - ✔✔positively charged sodium atom (Na+)
✔✔An electrolyte is a: - ✔✔substance which, dissolved in water, splits into ions
✔✔An example of an electrolyte is: - ✔✔salt solution
✔✔An acid is an electrolyte because: - ✔✔it can conduct an electric current
✔✔pH can be decreased by: - ✔✔increasing hydrogen ions
✔✔pH is: - ✔✔the number of free H ions in a solution
✔✔The pH of distilled water is: - ✔✔7
ANSWERS SURE A+
✔✔A mask ingredient that has a soothing effect and is used on mature or dry skin is: -
✔✔almond oil
✔✔Matter is everything that: - ✔✔occupies space and has weight
✔✔Melting is the change of matter from: - ✔✔a solid to a liquid
✔✔An anion is: - ✔✔a negatively charged atom
✔✔A characteristic of an acid is: - ✔✔it can conduct an electric current
✔✔If the pH of a solution is between 5 and 7, the the solution is a: - ✔✔weak acid
✔✔An organic acid contains the chemical group: - ✔✔COOH
✔✔Hertz is a unit of: - ✔✔frequency
✔✔Example of synthetic substances are: - ✔✔plastics and silicones
✔✔The alterations of the properties of matter without the formations of any new
substance is called a/an: - ✔✔physical change
✔✔If a metal oxide is dissolved in water, it forms: - ✔✔an alkali
✔✔A characteristic of organic acids is that: - ✔✔they contain the element carbon (C)
✔✔A cathode is: - ✔✔a negatively charged electrode
, ✔✔The unit of frequency is: - ✔✔hertz
✔✔In the visible spectrum the colors in the correct order are: - ✔✔red, orange, yellow
and green
✔✔The effect of infrared rays on the skin is to: - ✔✔warm the deeper layers of the skin
✔✔Ultraviolet radiation is absorbed: - ✔✔mainly in the epidermis
✔✔Examples of insulators are: - ✔✔plastics
✔✔The function of a transformer is to change: - ✔✔the voltage of an alternating current
to a different voltage
✔✔Characteristic of life include: - ✔✔growth and metabolism
✔✔Examples of organic biological substances are: - ✔✔carbohydrates and fats
✔✔Examples of mineral substances are: - ✔✔paraffins and petroleum
✔✔Vaporization is the change of matter from: - ✔✔a liquid to a gas
✔✔Sublimation is the change of matter from: - ✔✔a solid to a gas
✔✔Condensation is: - ✔✔the change of a vapor to a liquid
✔✔Science deals mainly with: - ✔✔physics and chemistry
✔✔The field of physics includes: - ✔✔heat and electricity
✔✔A cation is a: - ✔✔positively charged sodium atom (Na+)
✔✔An electrolyte is a: - ✔✔substance which, dissolved in water, splits into ions
✔✔An example of an electrolyte is: - ✔✔salt solution
✔✔An acid is an electrolyte because: - ✔✔it can conduct an electric current
✔✔pH can be decreased by: - ✔✔increasing hydrogen ions
✔✔pH is: - ✔✔the number of free H ions in a solution
✔✔The pH of distilled water is: - ✔✔7
