Mixtures and Solutions 1
In a solution, is the substance in the smaller proportion or amount
Solute
In a solution, is the substance in the greater proportion or amount
Solvent
Sour taste, turns litmus paper red, reacts with metal. These are some properties of:
Acids
An acid gives a pH value of:
a) Less than 7 b) exactly 7 c) More than 7
a) Less than 7
Arrange the mixture classification in order from less to most Tyndall Effect
a) Suspensions b) Solutions c) Colloids
a) Solutuions b) Colloids c) Suspensions
From the list, pick those mixtures that are Homogeneous
- Salt and Water
- Sand and Water
- Water and Oil
- Milk
- Water and Sugar
Salt and Water
Water and Sugar
Bitter taste, turns litmus paper blue, Slippery feel. These are some properties of:
Bases
A base gives a pH value of:
a) Less than 7 b) exactly 7 c) More than 7
c) More than 7
Which method of separation would you pick in order to separate Salt from Water?
Hot Plate
Which method of separation would you pick in order to separate Sand from Water?
Filtering
Choose the one that best completes the sentence. When a neutralization occurs _____ and ______ are produced, making the pH _________
a) Acid, Salt, more acid
b) Salt, Water, more neutral
c) Salt, Water, more acid
d) Base, Salt, more basic
b) Salt, Water, more neutral
Based on the example pH Strip. What kind of substance is this?
Base
A mixture of water and salt has 30 g of salt and 70 g of water. Which substance is the solvent?
The water
A _____ decreases its solubility when the pressure ______
a) Gas - increases
b) Solid - decreases
c) Gas - decreases
c) Gas - decreases
pH is the measurement of Protons. This measurement is inverse to the scale so:
a) The more acid the less protons a substance has
b) The more basic the more protons a substance has
c) The less basic the less protons a substance has
d) The more acid the more protons a substance has
d) The more acid the more protons a substance has
Mention 3 examples of important Acids for the human body
- Hydrochloric Acid, Aminoacids, Nucleic Acids, Gastric Acids
Using the influence of temperature on solubility. Pick the correct pairs from the choices (Two must be selected).
a) High Temperature - Low Solubility of Solids
b) Low Temperature - High Solubility of Solids
c) High Temperature - Low Solubility of gases
d) Low Temperature - High Solubility of gases
c) High Temperature - Low Solubility of gases
d) Low Temperature - High Solubility of gases
A mixture of water and salt has 30 g of salt and 70 g of water.How many ppts of salt are in the mixture?
300 ppt
Based on the neutralization between HI and KOH. What is the formula of the salt produced?
KI
Consider the experiment with Cabbage. If a substance gives you a "Sky blue" color. It is likely to be a:
a) Weak Acid
b) Neutral
c) Strong Acid
d) Strong Base
e) Weak Base
Weak Base