QUESTIONS AND SOLUTIONS
GUARANTEED TO PASS
●● If the pH of a solution is between one and three, the solution is a:.
Answer: Strong acid
●● Sublimation is the change of matter from?.
Answer: A solid to gas
●● What belongs to the science of chemistry?.
Answer: The alteration of the structure of molecules
●● An atom is electrically neutralized because it has?.
Answer: Has the same number of protons and electrons
●● A substance which chemically cannot be broken down into simpler
substance is called?.
Answer: An element
●● What chemical consists mainly of hydrocarbons ?.
Answer: Mineral oil
, ●● The safety practises that should be observed in a beauty salon when
using electrical appliances:.
Answer: Are established by local authorities
●● A human cell with 22 autosomes and a Y sex chromosome would be
a:.
Answer: Sperm
●● When a cell is dividing, the nucleus forms:.
Answer: Chromosomes
●● What type of connective tissue is found in the wall of an artery?.
Answer: Elastin
●● The characteristics tissue of the skin glands is:.
Answer: Epithelial tissue
●● The amount of energy used in a unit of time, by a fasting, resting
subject to maintain vital function, is known as:.
Answer: Basal metabolic rate
●● During a period of cell growth:.