Intro to Chemistry
This is a clue that a chemical reaction may have occurred.
Change in price
Change in time
Change in temperature
Change in reactants
This is a solid that forms in the chemical reaction between liquids.
Precipitate
Precipitation
Partipate
Partridge
The product of a chemical reaction has __________________ atoms compared to the reactants.
More
Less
The same amount of
Different types of
The substances that combine in a chemical reaction are called ______________________.
Acid
PH
Products
Reactants
The production of a _______________ is a clue that a chemical reaction occurred.
PBJ
Gas
Molecule
None of the above
Adding a base to an acidic solution makes the solution ________________ acidic.
More
Less
Exactly
None of the above
This is NOT a clue that a chemical reaction may have occurred.
Change in color
Change in location
Change in temperature
Production of a gas
Production of a precipitate
When the temperature INCREASES during a chemical reaction it is called a _________________ reaction.
Exersize
Exothermic
Emoji
Endothermic
____________________ is released when chemical bonds form in the products.
Icicles
Lions
Tension
Energy
Changing the amount of reactants affects the amount of _____________________ produced in a chemical reaction.
Products
Varibles
Explosions
None of the above
During a chemical reaction you may notice _____________________________.
Change in temperature
Change in color
Formation of a gas
Formation of a precipitate
All of the above
None of the above
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