Acids, Bases, Salts and pH Quiz

15 Questions

Quiz Description

Acids, bases and salts are very important in manufacturing and also for everyday life. They are used for the manufacture of things like soap, detergents, fertilisers, medicines and even car batteries. In this quiz, you have been provided with a question with four options and just one and only one is correct. It is important to note that these questions have been set based on the national curriculum for the gcse level.

An acid is a hydrogen-containing substance which is capable of donating a proton (which is a hydrogen ion) to another substance. On the other hand, a base is a substance which is capable of accepting the hydrogen ion from an acid. A base is characterized by its slippery texture and bitter taste. Salts are ionic compounds which result from a reaction between a base and an acid (known as a neutralization reaction). With this, salts are made up of cation and anions. pH is a measure of the acidity or basicity of a substance. The pH scale runs from 0 to 7 for acids and 7 to 14 for bases with 7 for neutral substances.

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1:

When sulfuric acid is added to zinc, the gas bubbles formed can be identified by?


Correct
  • 1:
    turning blue litmus red and then bleaching it
  • 2:
    burning with a squeaky pop
  • 3:
    turning limewater cloudy
  • 4:
    relighting a glowing splint
2:

 Complete the word equation:
ammonia + nitric acid ==> ..???.. 


Correct
  • 1:
    ammonia hydrogennitrate
  • 2:
    ammonia nitrite
  • 3:
    ammonium nitrate
  • 4:
    ammonium nitrite
3:

 In the reaction illustrated, in order to add the correct amount of acid you would add a few drops of Universal Indicator to the conical flask. If too little acid was added the indicator colour could be? 


<p>&nbsp;<strong>In the reaction illustrated, in order to add the correct amount of acid you would add a few drops of Universal Indicator to the conical flask. If too little acid was added the indicator colour could be</strong>?&nbsp;</p>
Correct
  • 1:
    orange
  • 2:
    blue
  • 3:
    green
  • 4:
    yellow
4:

 A carbonate mineral rock was tested with dilute sulfuric acid and bubbles formed. The gas formed was? 


Correct
  • 1:
    hydrogen
  • 2:
    carbon monoxide
  • 3:
    carbon dioxide
  • 4:
    sulfur dioxide
5:

 Which is the weakest base or alkali? 


Correct
  • 1:
    wine
  • 2:
    baking soda
  • 3:
    vinegar
  • 4:
    limewater
6:

 Complete the word equation:
nickel oxide + sulfuric acid ==> ..??? 


Correct
  • 1:
    nickel sulfate + hydrogen
  • 2:
    nickel sulfate + water
  • 3:
    nickel sulfite + hydrogen
  • 4:
    nickel sulfite + water
7:

 Which of the following is the pH of a strong acid? 


Correct
  • 1:
    pH 1
  • 2:
    pH 9
  • 3:
    pH 14
  • 4:
    pH 5
8:

 An iron tray was cleaned with dilute hydrochloric acid and bubbles formed. The gas formed was? 


Correct
  • 1:
    chlorine
  • 2:
    carbon dioxide
  • 3:
    hydrogen
  • 4:
    oxygen
9:

 Which of A to D completes the equation ..?..
sulfuric acid + ..?.. ==> calcium sulfate + water 


Correct
  • 1:
    sodium sulfate
  • 2:
    calcium hydroxide
  • 3:
    calcium chloride
  • 4:
    ammonia sulfate
10:

 The diagram shows the preparation of a salt. Which word describes stage 4? 


<p>&nbsp;The diagram shows the preparation of a salt. <strong>Which word describes stage 4</strong>?&nbsp;</p>
Correct
  • 1:
    crystallisation
  • 2:
    filtration
  • 3:
    neutralisation
  • 4:
    evaporation
11:

 Complete the word equation:
nickel + sulfuric acid ==> ..???.. 


Correct
  • 1:
    nickel sulfate + hydrogen
  • 2:
    nickel sulfite + hydrogen
  • 3:
    nickel sulfate + water
  • 4:
    nickel sulfite + water
12:

 Insoluble bases and metals will not dissolve to form an alkaline solution, but they will dissolve in acids to form salts. This method is particularly handy for making transition metal salts. What pair of chemicals will make cobalt chloride and hydrogen? 


Correct
  • 1:
    cobalt + hydrochloric acid
  • 2:
    cobalt oxide + sulfuric acid
  • 3:
    cobalt hydroxide + nitric acid
  • 4:
    cobalt hydroxide + sodium chloride
13:

 A small amount of a dense white powder was mixed with water in a test tube. Non of the white powder sank to the bottom of the test tube. A few drops of universal indicator were added and the solution turned blue. This meant the white powder was ...? 


Correct
  • 1:
    a slightly soluble alkali
  • 2:
    a very soluble alkali
  • 3:
    a slightly soluble acid
  • 4:
    a soluble neutral substance
14:

 Which of the following is the pH of a strong alkali? 


Correct
  • 1:
    pH 9
  • 2:
    pH 1
  • 3:
    pH 5
  • 4:
    pH 14
15:

 Which of these gives an alkaline solution when dissolved in water? 


Correct
  • 1:
    copper hydroxide
  • 2:
    iron hydroxide
  • 3:
    ammonia (ammonium hydroxide)
  • 4:
    aluminium hydroxide

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Acids, Bases, Salts and pH Quiz
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