NEW
Font size
WorksheetsG8 - Unit 4 Quiz - Chemical Equations Quiz
Total questions: 20
Worksheet time: 5hrs 0mins
In the Electrolysis Lab, what activity below did you perform?
We added energy from a battery and created rust.
We removed atoms from the water which caused bubbles.
We split water molecules apart and created gas.
We split carbon dioxide into carbon gas.
Mg + __HCl ---> MgCl2 + H2
Al + O2 → 2Al2O3
Ex: 2H2 + O2 --> 2H2O
2C2H2 + 5O2 --> 4CO2 + 2H2O
In the baking soda and vinegar investigation from the 6.2 worksheet in class, which of the following was a product in that reaction?
Acetic Acid
Sodium Bicarbonate
Sodium Hydroxide
Carbon Dioxide
On the 6.2 lab worksheet with baking soda and vinegar, how many drops of detergent were you supposed to add to each of your trials?
1
2
3
4
What is the term for the solid that is created when you mix two liquids together?
Reactant
Precipitate
Precipitation
Sodium Carbonate
During my demonstration in class, when I added ammonia to the solution, a white cloudy substance appeared. Was that white substance a solid, liquid, or gas?
Solid
Liquid
Gas
When more heat energy was added to the atoms or molecules on the PhET State Changes computer simulation, what was the effect?
The particles broke apart indicating a chemical reaction.
The particles created ice indicating a chemical reaction.
The particles slowed down indicating a physical change.
The particles moved faster indicating a physical change.
MgCl2 --> Mg4+ Cl2
2Li + Cl2 -> LiCl
N2 +3 H2 --> 2NH3
__Ag2O →__ Ag +___O2
_CF4 + _Br2 -- _CBr4 + _F2
CO + ___H2 --> CH4 + H2O
1
2
3
2NaCl + CaO --> ___Na2O + CaCl2
1
2
3
___Pb + S --> PbS + Pb
1
2
3
