• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/36

Click to flip

36 Cards in this Set

  • Front
  • Back
What must be formed for a chemical change to have occurred?
A new substance
Some evidence that a new substance MIGHT have been formed are...
color change
gas or solid formed
large amount of energy released
Solid to liquid; liquid to gas; gas to solid; solid to gas; All these are ____ changes
physical or state changes
All state changes are ___ changes
physical
What kind of change is boiling of water
physical
What kind of change is melting or freezing?
physical
Silver nitrate & salt water instantly form a white solid when reacted. This is a ___ change.
chemical
Melting & re-freezing of lead is a ____ change.
physical
Copper wire put into some silver nitrate turns the copper into silvery flecks and the liquid turns blue. This is a ___ change.
chemical
Steel wool catches fire when touched to a battery. This is a ___ change
chemical
Dissolving of salt into water makes salt water. This is a ___ change.
physical
Igniting methane gas is a___ change
chemical
Evaporating the water out of salt water is a ____ change.
physical
An iron paper clip put into some copper II sulfate causes a reddish-brown material to form on the iron and the liquid to lose its blue color. This is a ___ change.
chemical
Magnetic Iron with sulfur make a non-magnetic product when the two are cooked strongly together. This is a ____ change.
chemical
Iron rusting is a ___ change.
chemical
Baking soda with vinegar generate lots of a gas that easily inflate a balloon. This is a ___ change.
chemical
When potassium is put into water, it catches fire. This is a ___ change.
chemical
Vinegar has a strong odor and is clear and is a liquid at room temperature. These are ___ properties.
physical
Silver is a shiny metal with a density of about 10.5 g/mL and it conducts heat and electricity well. These are ___ properties.
physical
Vinegar turns litmus paper red. This is a ___ property.
chemical
Corn starch makes a huge flame when sprayed into a burner flame. This is a ___ property.
chemical
Eggs tarnish silver. This is a ___ property of silver.
chemical
Paper is flammable. This is a ____ property of paper.
chemical
Acid corrodes most metals. This is a ___ property.
chemical
The ability to dissolve in water is a ___ property.
physical
Solubility is a ___ property
physical
Density is a ___ property.
physical
Flammability is a ___ property.
chemical
Malleability and ductility (flattenability and stretching) are ____ properties.
physical
An Alka Seltzer in water produces ____ change.
chemical
Photosynthesis in a plant is a ____ change.
chemical
Respiration in an organism is a ___ change.
chemical
Baking a cake has a ___ change occurring in it.
chemical
Evaporation of gasoline vapors is a ___ change.
physical
Combustion of gasoline is a ___ change.
chemical