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- 1. Multiple Choice
Which of these substances is acidic?
baking soda
lemon
- 2. Multiple Choice
How is a standard hydrogen atom different from a hydrogen ion?
a hydrogen atom has an extra electron
a hydrogen ion is missing an electron.
- 3. Multiple Choice
An extremely strong base would have a pH of:
1
7
14
- 4. Multiple Choice
Which of the following common items is basic?
soap
lemon juice
vinegar
- 5. Multiple Choice
A hydronium ion is like a _____molecule with an extra hydrogen atom.
Water
Acid
Base
- 6. Multiple Choice
_____ dissolves in solvent to make a solution.
concentration
solute
mole
- 7. Multiple Choice
a logarithmic scale of how acidic or basic a solution is
concentration
pH
solubility
- 8. Multiple Choice
a substance that changes color upon exposure to an acid or a base
solute
solvent
indicator
- 9. Multiple Choice
A measure of solute-to-solvent ratio
coordination number
concentration
oxidation state
- 10. Multiple Choice
a solution in which the maximum amount of solute has been dissolved in a solvent
dilute
unsaturated
saturated
- 11. Multiple Choice
A neutralization reaction
increases H+ ions
increases OH- ions
yields water and salt
yields carbon dioxide and water
- 12. Multiple Choice
Acidic solutions exhibit a higher ratio of H3O+ ions, known as...
tritium
hydronium
- 13. Multiple Choice
Solution 1 contains 10 grams of salt in 100 grams of water. Solution 2 contains 50 grams of salt in 100 grams of water. Which solution is more concentrated?
Solution 1
Solution 2
- 14. Multiple Choice
According to the pH scale, which of the following would be true?
baking soda is a weak base while drain cleaner is a strong base
tomato and soap are acidic
- 15. Multiple Choice
Which characteristics describe a base?
sour, indicator turns red, pH less than 7, produces hydrogen ions (H+)
bitter, slippery, indicator turns blue, pH greater than 7, produces hydroxide ions (OH-)
neutral, pH of 7
- 16. Multiple Choice
Which theory considers gas molecules to be: small relative to their distances apart, in constant random motion, and undergo elastic collisions?
Kinetic Molecular Theory
Special Relativity
Inertia
- 17. Multiple Choice
Ideal Gas Law
PV=nRT
F=ma
d=m/V
- 18. Multiple Choice
At this temperature, particles do not move
0 Kelvin
100 degrees Celsius
212 degrees Fahrenheit
- 19. Multiple ChoiceWhich is the name of the kind of solid substance formed in this figure?aqueousprecipitateacidsynthesis
- 20. Multiple ChoiceAn element plus additional element reacts to form one product is an example of which type of chemical reaction?combustiondecompositionsynthesissingle replacement
- 21. Multiple ChoiceWhich type of reaction takes place in the presence of oxygen and produces carbon dioxide and water?double replacementdecompositioncombustionsingle replacement
- 22. Multiple ChoiceA compound is reacted and forms two new substances. What type of reaction is this?combustionsynthesisdecompositionsingle replacement
- 23. Multiple ChoiceA metal is reacted with an acid to produce a salt and a hydrogen gas. What type of reaction has occurred?neutralizationdouble replacementsingle replacementsynthesis
- 24. Multiple ChoiceThe left side of the equation below is calledProductsReactants
- 25. Multiple ChoiceThe right side of the equation below is called theproductsreactants
- 26. Multiple Choice
What type of reaction is illustrated below?
Zn + H2S --> ZnS + H2
synthesis
decomposition
single replacement
double replacement
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