A substance that tells whether something is acidic or basic
100
What is the name of this base: Ca (OH)2
calcium hydroxide
200
Nitric acid ______________ dissociates
Completely
200
How does a base taste?
Bitter
200
What is the concentration of [OH-] ions in pure water?
1 x 10-7 mol/L
200
What will turn red litmus paper blue?
A base
200
What is the name of this acid: HI
Hydroiodic acid
300
Where can one find tannic acid?
Tea
300
What is the name of the product made from the base magnesium hydroxide?
Milk of magnesia
300
What is the value of Kw and what is the full name of this constant?
1 x 10-14, ionic product constant of water
300
What will turn methyl orange indicator red?
An acid
300
What is the name of this acid: H2PO4
Phosphoric acid
400
What kind of acid is in your stomach?
Hydrochloric acid
400
At first, solid NaOH does not change the color of litmus paper but, if left exposed to air, it will change the color of litmus paper to blue. Why? What is this called?
Hygroscopic - absorbs water from air to dissociate OH- ions
400
What is the pH of a 0.0005 M solution of H2SO4
3
400
Which indicator turns pink in a basic solution?
phenolpthalein
400
What is the formula for hydrocyanic acid?
HCN
500
What causes acid rain and what is the pH of acid rain?
Gases from pollution enter the atmosphere, mix with water, and fall as acid rain with a pH of 5.6
500
The human body is slightly basic. What is the pH range of the human body?
7.0 - 7.8
500
What is the pH of a 0.00005 M solution of Ca(OH)2
10
500
What flower can be used to make an indicator and what color does it turn in a basic solution
Hibiscus (china rose) turns green in basic solution