Acid And Bases: Can You Pass This Test?
Can You Pass This Test on acids and bases? Understanding the characteristics of bases and acids gives one the chance to perfect their skills in chemistry. Acids have a PH value that is less than 7, whereas bases have a base value greater than 7. Take up this quiz and get to see just how much you know about them. All the best!
- 1.Which of the following statements is true concerning acids and bases
- A.
Acids and bases don't react with each other
- B.
Acids mixed with bases neutralize each other
- C.
Acids mixed with bases make stronger bases
- D.
Acids mixed with bases make stronger acids
- 2.True or false: bases are sometimes called alkalis.
- A.
True
- B.
False
- 3.Which is the correct set of acid properties
- A.
Sour taste, corrosive, change litmus from red to blue
- B.
Sour taste, corrosive, change litmus from blue to red
- C.
Sweet taste, slippery, change litmus from blue to red
- D.
Sour taste, slippery, change litmus from blue to red
- 4.A Netral solution has a pH of ______?
- 5.What does pH measure?
- A.
The amount of H+ ions in a solution
- B.
The amount of acid molecules in a solution
- C.
The electron shell configuration of the solution
- D.
What colour the solution is
- 6.pH of less than 7 is basic; pH of more than 7 is acidic
- A.
True
- B.
False
- 7.If a substance has more OH- ions it is considered a ___________ ?
- A.
Acid
- B.
Base
- C.
Neutral
- D.
PH
- 8.When an acid reacts with a metal it will always produce:
- A.
Hydrogen Gas + Salt
- B.
Carbon Dioxide + Water + Salt
- C.
Salt + Water
- D.
Nothing
- 9.When an acid reacts with a base it will always produce:
- A.
Hydrogen Gas + Salt
- B.
Carbon Dioxide + Water + Salt
- C.
Salt + Water
- D.
Nothing
- 10.When an acid reacts with a Carbonate it will always produce:
- A.
Hydrogen Gas + Salt
- B.
Carbon Dioxide + Water + Salt
- C.
Salt + Water
- D.
Nothing
- 11.Complete the reaction: Hydrocholric Acid + Magnesium -> Hydrogen Gas + _____________
- A.
Magnesium Hydride
- B.
Hydrogen Magnesium
- C.
Magnesium Chloride
- D.
Dihydrogen Chloride
- 12.Complete the reaction: Nitric Acid + Calcium Carbonate -> Water + ____________ + _______________
- A.
Carbon Dioxide + Calcium Nitrate
- B.
Carbon Monoxide + Nitric Calcide
- C.
Carbon Dioxide + Calcium
- D.
Hydrogen gas + Calcium Nitrate
- 13.Sulfuric Acid + Sodium Hydroxide -> _____________ + _______________
- A.
Carbon Dioxide + Sodium Sulfate
- B.
Hydrogen Gas + Hydrogen Sulfide
- C.
Water + Sodium Sulfate
- D.
Water + Sulfuric Hydroxide
- 14.Adding an Acid to a Base is called
- A.
Reaction
- B.
Displacement
- C.
PH
- D.
Neutralisation
- 15.What is an indicator?
- A.
Any substance that reacts with acids and bases
- B.
Any substance that changes when reacted with an acid
- C.
Any substance that changes colour over different pH levels
- D.
Any substance that changes colour
- 16.What are some of the disadvantages of using an indicator?
- A.
Colour changes may not be easy to see
- B.
Colour change doesn't always happen
- C.
Different solutions have different colour changes
- D.
Very expensive
- 17.
Examine the image below of colour changes using universal indicator: What colour indicates a very strong acid?- A.
Yellow
- B.
Orange
- C.
Purple
- D.
Green
- 18.How can you test for Hydrogen gas, after reacting an acid and a metal?
- A.
Smell it
- B.
Pour it onto a candle
- C.
Light a match and insert it into the test-tube
- D.
You can't
- 19.
Examine the image below of colour changes using universal indicator: Which colour indicates a very strong Base?
- A.
Yellow
- B.
Orange
- C.
Purple
- D.
Green
- 20.Lemons, Vinegar and Yoghurt are all exaples of _________?
- A.
Acids
- B.
Bases
- C.
Neutral
- D.
Dinosaurs
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