MILADY CHAPTER 6 EXAM CHEMISTRY AND
CHEMICAL SAFETY COMPREHENSIVE EXAM
SCRIPT 2026 SOLVED QUESTIONS FULL
SOLUTION
◉ The are 118 different elements known to science today. How
many of these are naturally occurring on Earth? Answer: 98
◉ Which of the following are the basic building blocks of all matter?
Answer: atoms
◉ H is the symbol for which element? Answer: hydrogen
◉ An example of an elemental molecule is ___________. Answer:
atmospheric oxygen
◉ As the basic unit of matter, __________ cannot be divided into
simpler substances by ordinary chemical means. Answer: atoms
◉ Rusting iron and burning wood are examples of a change in what
type of properties? Answer: chemical
, ◉ An example of a physical change is __________. Answer: ice melting
to water
◉ An example of a chemical change is __________. Answer: the
oxidation of haircolor products
◉ Which of the following is an example of a pure substance?
Answer: salt
◉ __________, also known as alkalis, are compounds of hydrogen, a
metal, and oxygen Answer: bases
◉ A __________ is a stable, uniform mixture of two of more mixable
substances that is made by dissolving a solid, liquid, or gaseous
substance in another substance. Answer: solution
◉ Which of the following allows oil and water to mix or emulsify by
reducing surface tension? Answer: surfactant
◉ An example of a water-in-oil emulsion is __________. Answer: cold
cream
◉ __________ are examples of emulsions used in beauty services.
Answer: Shampoos and conditioners
CHEMICAL SAFETY COMPREHENSIVE EXAM
SCRIPT 2026 SOLVED QUESTIONS FULL
SOLUTION
◉ The are 118 different elements known to science today. How
many of these are naturally occurring on Earth? Answer: 98
◉ Which of the following are the basic building blocks of all matter?
Answer: atoms
◉ H is the symbol for which element? Answer: hydrogen
◉ An example of an elemental molecule is ___________. Answer:
atmospheric oxygen
◉ As the basic unit of matter, __________ cannot be divided into
simpler substances by ordinary chemical means. Answer: atoms
◉ Rusting iron and burning wood are examples of a change in what
type of properties? Answer: chemical
, ◉ An example of a physical change is __________. Answer: ice melting
to water
◉ An example of a chemical change is __________. Answer: the
oxidation of haircolor products
◉ Which of the following is an example of a pure substance?
Answer: salt
◉ __________, also known as alkalis, are compounds of hydrogen, a
metal, and oxygen Answer: bases
◉ A __________ is a stable, uniform mixture of two of more mixable
substances that is made by dissolving a solid, liquid, or gaseous
substance in another substance. Answer: solution
◉ Which of the following allows oil and water to mix or emulsify by
reducing surface tension? Answer: surfactant
◉ An example of a water-in-oil emulsion is __________. Answer: cold
cream
◉ __________ are examples of emulsions used in beauty services.
Answer: Shampoos and conditioners