Science Prac Skills Task Flashcards
What is an Exothermic reaction?
A reaction that gives off energy (Warms Up).
What is an Endothermic reaction?
A reaction that consumes energy (Cools Down).
Acid + Metal
Salt + Hydrogen
Acid + Metal Carbonate
Salt + Water + Carbon Dioxide
Acid + Base (Neutralization)
Salt + Water
Metal + Oxygen (Combustion)
Metal Oxide
What is required for Corrosion to occur?
The presence of Water and Oxygen.
What is a Precipitation reaction?
When 2 ionic solutions are combined to form an insoluble compound. This is referred to as a Precipitate.
Sulfuric Acid and Sodium Hydroxide form which salt?
Sodium Sulfate
What is the Independent Variable?
The variable that is unchanged by the other variables.
What is the Dependent Variable?
The variable that is measured.
What are the Controlled Variables?
The variable that remain constant.
When drawing a graph, which variable goes on the X axis?
The Independent Variable.
When drawing a graph, which variable goes on the Y axis?
The Dependent Variable.
What is the chemical symbol for Potassium?
K
