When vinegar is added to eggshell, the shell dissolves and produces a gas. Which of the following explains the reaction?
Acid, Bases

Quiz
•
Science
•
7th Grade
•
Hard
HL Chan
Used 22+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Eggshell is neutralized by acids.
Eggshell dissolves in vinegar, but not in water.
Vinegar contains an acid and eggshell contains a carbonate.
Vinegar is very corrosive
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The table shows the pH value of 4 soil samples.
Cabbages grow best in alkaline soil.
Which soil sample/s should a farmer use for growing cabbages?
W, X and Y only
W and X only
Y and Z only
Y only
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following indicator could be used to distinguish between two samples of aqueous ammonia of pH 9 and sodium hydroxide solution of pH 12?
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
An excess of calcium hydroxide solution (alkali) is added to each of the test tubes as shown in the figure below. In which test tube will there be no change in colour?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When a drop of Universal Indicator is added to some dilute sulfuric acid, it turns red. When a solution X is added to the dilute sulfuric acid, the universal indicator turns blue. What could solution X be?
distilled water
dilute hydrochloric acid
sodium chloride solution
sodium hydroxide solution
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Carbon dioxide was given off when vinegar was added to some eggshells. What does this tell you about the eggshells?
They are acidic
They are alkaline
They are carbonates
They are metallic
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Solutions P and Q
Solutions R and S
Solutions Q and T
Solutions Q and R
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