No student devices needed. Know more
25 questions
Which of the following is a positive for an acid
Blue Litmus paper staying blue
Red Litmus paper staying red
Phenolphthalein being pink
Bromothymol blue turning blue
The table shows the pH of several solutions. Which solution is the most acidic?
vinegar
milk
water
bleach
Examine the results (color change) of the pH paper shown in the picture. What type of substance was tested?
an acid
a base
a neutral substance
none of the above
What is the colour of phenolphthalein an acid?
Pink
Yellow
Orange
Colourless
What is the colour of phenolphthalein in a base ?
Pink
Blue
Red
Colourless
An acid will ____________ a proton (H+) and form the conjugate _____________________
accept, base
donate, base
accept, acid
donate, acid
A base will _______________ a proton (H) to form the conjugate __________________.
accept, base
donate, base
accept, acid
donate, acid
Water is
Strong acid
Weak acid
Neutral
Weak base
Strong base
Which of the following is never true of an acid?
Can start with H in it's chemical formula
Can have a pH between 1-6
Breaks apart into hydroxide ions
Can donate a proton in solution
What is the pH of a substance with a hydrogen ion concentration of .0002?
1.2
3.7
6.5
8.1
A substance with a pH of 4.8 is best classified as a _________________, and ______________ is a chemical that could be an example.
Weak acid, HCl
Strong acid, HClO4
Weak acid, HF
Strong acid, H3PO4
In a neutralization reaction what gets made as a product?
Acid and Base
Base and water
Salt and water
Acid and water
In a neutralization reaction between HBr and NaOH what would be the products?
sodium hydroxide and water
hydrogen hydroxide and sodium chloride
Sodium bromide and water
sodium hydride and water
Which of the following is the conjugate base of HBr?
H2Br
Br-
H2O
OH-
Which of the following is the conjugate acid of H2O?
H3O+
OH-
Br-
HCl
Which of the following is true of Sodium hydroxide?
It is a weak base
It will completely dissociate into its ions
It could turn red litmus paper red
It could turn pH paper orange
Which diagram is showing a weak acid?
Left
Right
Neither
Explore all questions with a free account