Show:
chemistry
structure of an equation
acids, bases, and solutions
describing acids and bases
metals and alloys
100
what is a physical change
any change that alters the form or appearance of a substance but does not make the substance into another substance
100
the substance that you have at the beginning of an equations is what?
What is reactant
100
what is a solution
a well-mixed mixture that contains a solvent and at least one solute
100
a compound that changes color when in contact with and acid is what?
What is an indicator
100
what is a mixture made of two or more elements that have the properties of metal?
an alloy
200
a chemical property is what
What is a characteristic of a substance that describes its ability to change into other substances
200
what is a product
a new substance produced in a reaction
200
the part of a solution present in the largest amount is called what?
What a solvent
200
what are nitric acid and phosphoric acid used in?
What is fertilizers
200
how are many alloys made?
by melting the metals and mixing them together in specific amounts
300
what is chemistry
the study of matter and how matter changes
300
what is a chemical equation
a short, easy way to show a chemical reacction
300
a mixture containing small, undissolved particles that do not settle out
What is a colloid
300
what is hydroxide used in?
What is drain cleaners
300
what are some uses of steel
knives, nails, chains, bicycle frames, cookware, and train rails
400
what is matter
anything that has a mass and takes up space
400
during a chemical reaction, matter is not created or destroyed is called what?
conservation of mass
400
what are some examples of colliods
milk, gelatin
400
what acid(s) do tomatoes have?
What is ascorbic or vitamin C
400
what elements are used to make bronze?
copper, tin
500
A characteristic of a substance that can be observed without changing the substance into another substance is what?
What is a physical property
500
what is replacement?
the process in which one element replaces another in a compound or two elements in different compounds trade places
500
a mixture in which particles can be seen easily separated by settling or filtration is what?
What is suspension
500
what acid(s) are used in car batteries, refining petroleum and to treat iron and steel?
what is sulfuric acid
500
what are some examples of alloys
bronze, brass, sterling silver, and solder