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WorksheetsAcids and Alkalis
Total questions: 30
Worksheet time: 26mins
The color of litmus in acid:
Red
Blue
Purple
Green
The color of litmus in alkali:
Red
Blue
Purple
Green
Acids taste .....
sour
bitter
sweet
umami
Rain water is slightly acidic. What is its pH?
1.0
5.6
7.0
8.2
Reaction between acid and alkali producing salt and water:
Combustion
Neutralization
Precipitation
Decomposition
Something that can be used to identify acid/alkali:
Indicator
Oxidator
Reductor
Terminator
pH of alkali:
0
7
below 7
above 7
Acids are source of
hydrogen ions
hydroxide ions
A sugar solution does not change the color of both blue and red litmus paper. This means the sugar solution is a ________.
acid
base
neutral
Tastes bitter.
Acids
Bases
Salts
All
Many cleaning solutions are bases. Which of the following is a property of most bases?
feels slippery
white color
can only be liquid
tastes sour
hydrochloric acid + zinc carbonate --> ?
zinc chloride + carbon dioxide gas + water
zinc chloride + water
zinc chloride + hydrogen gas
zinc acid + carbon
sulfuric acid + sodium hydroxide --> ?
sodium sulfate + carbon dioxide gas + water
sodium sulfate + water
sodium sulfate + hydrogen gas
nitric acid + magnesium --> ?
magnesium nitrate + carbon dioxide gas + water
magnesium nitrate + water
magnesium nitrate + hydrogen gas
nitric acid + magnesium oxide --> ?
magnesium nitrate + carbon dioxide gas + water
magnesium nitrate + water
magnesium nitrate + hydrogen gas
nitric acid + magnesium hydroxide --> ?
magnesium nitrate + carbon dioxide gas + water
magnesium nitrate + water
magnesium nitrate + hydrogen gas
nitric acid + magnesium carbonate --> ?
magnesium nitrate + carbon dioxide gas + water
magnesium nitrate + water
magnesium nitrate + hydrogen gas
What is an alkali
A strong acid
a soluble base
a type of salt
an indicator
Hydrochloric acid + Potassium hydroxide -->
Hydrochloric potassium + Hydrogen
Potassium chloride + Water
Potassium Acid + Chlorine
Potassium Sulfate + Water
If the products are calcium nitrate and water, which of these could be the reactants?
Nitric acid and Calcium
Nitric acid and Calcium oxide
Sulfuric acid and calcium
Nitric acid and sodium
Lead + Sulfuric acid -->
Lead sulfate + Hydrogen
Lead sulfate + Water
Lead acid + sulfur
Lead sulfide + hydrogen
What are the products if the reactants are sodium carbonate and nitric acid? (check all that apply)
Sodium nitrate
Carbon dioxide
Water
Hydrogen
You have an acidic solution. If you add an alkali to it, what will happen to the pH?
It will increase
It will decrease
It will not change
It will become 7
Hydrochloric acid + Zinc oxide -->
Zinc chloride + Hydrogen
Zinc sulfate + Hydrogen
Zinc chloride + Water
Zinc sulfate + Water
If the products are sodium sulfate and water, which of these could be the reactants?
Hydrochloric acid and Sodium
Sulfuric acid and Sodium
Hydrochloric acid and Sodium hydroxide
Sulfuric acid and Sodium hydroxide
