Solubility Curve
Acids
Bases
pH scale
Random
100
Which compound is LEAST soluble at 10 °C?
What is KClO3?
100
What color does litmus paper turn for strong acids?
What is red?
100
What color does litmus paper turn for strong bases?
What is blue?
100
Fill in the blanks:
The pH scale is a scale that runs from ___ to ___.
Your response should be numerical.
What is 0 to 14?
100
Is HCl an acid, a base, or neutral? Use the chemical formula as a guide.
What is acid?
200
How many grams of KCl can be dissolved in 100g of water at 80°C?
What is 50 grams?
200
What do acids taste like?
What is sour?
200
What do bases taste like?
What is bitter?
200
Which number on the pH scale represents a true neutral substance?
What is 7?
200
Is KOH an acid, a base, or neutral? Use the chemical formula as a guide.
What is base?
300
How many grams of NaCl can be dissolved in 100g of water at 90°C?
What is 40°C?
300
What type of ions are present in acids?
What are H+ ions?
300
What type of ions are present in bases?
What are OH- ions?
300
You are given an Alani to drink. What would you estimate its pH scale number to be?
What is 2-4?
300
Is H2O an acid, a base, or neutral? Use the chemical formula as a guide.
What is neutral?
400
Which compound shows the least amount of change in solubility from 0°C-100°C?
What is NaCl?
400
On the pH scale, acids fall between what numbers?
What is 0-6?
400
On the pH scale, bases fall between what numbers?
What is 8-14?
400
You have to scrub your window with some Windex cleaner. What do you estimate the pH of this to be?
What is 10-12?
400
The human body likes to stay at a pH of ___.
What is 7?
500
At 30°C, 90g of NaNO₃ is dissolved in 100g of water. Is this solution saturated or unsaturated?
What is unsaturated?
500
Name a substance from the pH Lab that tested acidic.
Answers will vary!
500
Name a substance from the pH Lab that tested as basic.
Answers will vary!
500
What does the pH scale measure?
What is the number of H+ ions and OH- ions present in a substance?
500
A strong base and a strong acid can react together in what is called a neutralization reaction. What are the products of a neutralization reaction? There are 3! (And, yes, we did talk about this in our notes :)
What is CO2, H2O, and a salt?