Questions with Guaranteed Pass
Solutions 2025/2026 Updated.
Chemical Properties - Answer qualities that a substance shows as it transforms or interacts
with other substances
flammability, corrosiveness, reactivity with acids
Physical Properties - Answer qualities a substance shows without interaction with other
substances
color, hardness, density, boiling point, viscosity, electrical conductivity, melting point
Intensive property - Answer a property independent of amount
Substance - Answer a type of matter that has a defined and fixed composition
it is defined by its own set of physical and chemical properties
together elements and compounds are known as substances
Element - Answer simplest type of matter with unique physical and chemical properties
it cannot be broken down into simpler types of matter by chemical or physical means
Atom - Answer smallest part of the element that is still considered part of the element
Compound - Answer a type of matter composed of 2 or more elements that are chemically
bonded together
can only be separated into their component elements by chemical means
Mixture - Answer a collection of 2 or more substances that are physically mingled together
can be homogeneous or heterogeneous
can be separated into their components by physical change
can be separated by physical means depends on physical properties
has no fixed composition
, Heterogeneous Mixture - Answer non-uniform composition with no visible boundaries
chicken noodle soup, ice water, salad dressing
Solution - Answer another name for a homogeneous mixture
Molecules - Answer independent entities that consist of 2 or more atoms attached to each
other chemically (bonded)
Macroscopic - Answer terms which describe the difference between physical and chemical
properties
Microscopic - Answer the origin for macroscopic descriptions
focuses on the properties that cannot be seen with the naked eye
Calx - Answer the burned product after combustion of a metal
according to Phlogiston Theory
Distillate - Answer the product of distillation
Filtration - Answer separation type by particle size
TWO TYPES: gravity(with funnel), vacuum(with pressure)
Work - Answer done by moving something
can be computed as force times distance
Temperature - Answer a measure of how hot or cold something is
relative to another object
Heat - Answer the energy that flows from a hot object to a cold object when the two are
brought into contact