A
B
C
D
E
100
What is a process where one or more substances change into new substances.
Chemical reaction
100
What do we call a mixture where one substance is completely dissolved in another?
Solution
100
In a chemical reaction, what do we call the substances that you start with before they change into new products?
Reactant
100
What do we call the mass of one mole of a substance?
Molar mass
100
What do we call the written form that uses formulas and symbols to show a chemical reaction?
Chemical equation
200
In a solution, what do we call the substance that gets dissolved?
Solute
200
What do we call the number that tells us how many particles are in one mole of a substance?
Avogadro constant
200
In a solution, what do we call the substance that does the dissolving?
Solvent
200
On the pH scale, what number shows that a solution is neutral—not acidic and not basic?
pH 7
200
What do we call the amount of a substance that is dissolved in a certain volume of liquid?
Concentration
300
What do we call the scale that shows how acidic or basic a solution is, from 0 to 14?
pH scale
300
What do we call a substance added to soil to help plants grow better by giving them nutrients?
Fertiliser
300
What do we call a substance that has a pH less than 7 and can taste sour?
Acid
300
What do we call a substance that has a pH greater than 7 and can feel slippery?
Base
300
Six Seven haha
400
What do we call a substance that can dissolve in a particular solvent?
Soluble
400
What do we call the special paper that changes color to show whether a substance is acidic or basic?
Litmus paper, Indicator
400
What do we call a substance that cannot dissolve in a particular solvent?
Insoluble
400
What do we call an oxide that reacts with water to form an acid?
Ex. CO2+H2O→H2CO3
Acidic oxide
400
In a chemical reaction, what do we call the solid that forms and falls to the bottom of a liquid?
Precipitate
500
What do we call the things that can change how fast or slow a chemical reaction happens, such as temperature or surface area?
Factors of reaction rate
500
What do we call a solution that has a large amount of solute compared to the solvent?
Concentrated
500
What do we call the speed at which a chemical reaction happens?
Reaction rate
500
What do we call the total mass of the reactants equals the total mass of the products in a chemical reaction?
Conservation of mass
500
What do we call a solution that has only a small amount of solute compared to the solvent?
Dilute