Question

Lila tests the pH of 4 solutions. Which solution should she identify as being a base?

SOLUTION pH
A 2
B 5
C 7
D 9(1 point)
Responses

Solution C
Solution C

Solution D
Solution D

Solution B
Solution B

Solution A
Solution A
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Answer 1

Solution D

Answer 2

What is formed when a hydrogen ion interacts with a water molecule?(1 point)
Responses

hydronium ion
hydronium ion

base
base

salt
salt

hydroxide ion
hydroxide ion

Answer 3

hydronium ion

Answer 4

Which of the following is a property of bases?(1 point)
Responses

pH less than 7
pH less than 7

feels slippery
feels slippery

sour taste
sour taste

releases hydrogen ions in water

Answer 5

feels slippery

Answer 6

Identify the common household item that is acidic.(1 point)
Responses

baking soda
baking soda

vinegar
vinegar

detergent
detergent

shampoo

Answer 7

vinegar

Answer 8

Which of the following items is a salt?(1 point)
Responses

calcium carbonate
calcium carbonate

carbonic acid
carbonic acid

antacid
antacid

sodium hydroxide

Answer 9

calcium carbonate