WorksheetsChemical Reactions
Total questions: 20
Worksheet time: 18mins
Rust is a ________ reaction.
metallic
chemical
physical
ionic
What is the correct chemical formula for synthesis?
(a)
Which of the following show double displacement?
A+BC=AC+B
AB+CD=AC+DB
AB=A+B
A+B=AB
What is the rate of reaction?
the speed of the atoms
the speed at which Bob gets from point A and point B
the speed that reactants turn into products
the speed of an ambulance on a Saturday afternoon at precisely 6:45:34 p.m.
Which of the following is a chemical reaction?
What can you do to S P E E D up the reaction rate?
(1-2 word answers)
Ex: increase ~~~~~~~ or add ~~~~~~~~
(a)
What is something every cell needs?
soda
coffee
glucose
sleep
What is APT?
energy used in the makings of toys
Achievable Position for Talented humans
Adaptable Permit for Transfering electrons
energy our cells use to function
What happens if your enzymes overheat or cool down too much?
death
babies
life
donuts
In a chemical equation you can change?
subscripts
coefficients
elements
symbols
A substance that is formed as the result of a chemical reaction is a __________________
Product
Reactant
Starters
Enders
6MgF2
A chemical change is different than a physical change because in a chemical change
chemicals are used
molecules do not physically touch
a new substance is formed and in a physical no new substance is formed
the change can be seen but in a physical change it cannot
An endothermic reaction allows for energy to be
(a)
A solid that is deposited from a solution
Solid
Liquid
Product
Precipitate
A chemical reaction or process that releases heat.
Endothermic
Exothermic
A(an) ______ is the number that appears before a formula in a chemical equation.
subscript
coefficient
ratio
denominator
