Practice Question and Answer

Q: 1 What are free when the basalt is dissolved in water? 2 0

  • 1
    (OH) - ion
    Correct
    Incorrect
  • 2
    H + ion
    Correct
    Incorrect
  • 3
    Both ions
    Correct
    Incorrect
  • 4
    No ion
    Correct
    Incorrect
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Answer : 1. "(OH) - ion"
Explanation :

Q: 2 What is the pH value of salts made from strong acid and weak alkalis? 2 0

  • 1
    More than 7
    Correct
    Incorrect
  • 2
    Less than 7
    Correct
    Incorrect
  • 3
    between 10 and 14
    Correct
    Incorrect
  • 4
    Less than 14
    Correct
    Incorrect
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Answer : 2. "Less than 7"
Explanation :

Q: 3 What type of respiration is respiratory? 2 0

  • 1
    Protopic reactions
    Correct
    Incorrect
  • 2
    Combination Reaction
    Correct
    Incorrect
  • 3
    Sub-opt-out reaction
    Correct
    Incorrect
  • 4
    Bi-clockwise reaction
    Correct
    Incorrect
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Answer : 1. "Protopic reactions"
Explanation :

Q: 4 What are the substances that take part in any reaction? 2 0

  • 1
    returns
    Correct
    Incorrect
  • 2
    Absolute
    Correct
    Incorrect
  • 3
    Reactor
    Correct
    Incorrect
  • 4
    Oxidizers
    Correct
    Incorrect
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Answer : 3. "Reactor"
Explanation :

Q: 5 Sodium Hydroxide and Hydrochloric Acid Reactions to Sodium Chloride and Water What is this reaction? 2 0

  • 1
    Neutralization
    Correct
    Incorrect
  • 2
    Disintegration
    Correct
    Incorrect
  • 3
    combination
    Correct
    Incorrect
  • 4
    precipitation
    Correct
    Incorrect
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Answer : 1. "Neutralization"
Explanation :

Q: 6 Which of the following reactions combines together? 2 0

  • 1
    combination and dissolution
    Correct
    Incorrect
  • 2
    precipitation and displacement
    Correct
    Incorrect
  • 3
    Neutralization and Displacement
    Correct
    Incorrect
  • 4
    Oxidation and degradation
    Correct
    Incorrect
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Answer : 3. "Neutralization and Displacement"
Explanation :

Q: 7 What is the increase in the proportion of oxygen in a chemical reaction? 2 0

  • 1
    Dysfunction Reaction
    Correct
    Incorrect
  • 2
    Subtracting reactions
    Correct
    Incorrect
  • 3
    Heat reaction
    Correct
    Incorrect
  • 4
    Displacement Reaction
    Correct
    Incorrect
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Answer : 2. "Subtracting reactions"
Explanation :

Q: 8 What type of reaction is the corrosion? 2 0

  • 1
    Dysfunction Reaction
    Correct
    Incorrect
  • 2
    Precipitation Reaction
    Correct
    Incorrect
  • 3
    Subtracting reactions
    Correct
    Incorrect
  • 4
    Combination Reaction
    Correct
    Incorrect
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Answer : 3. "Subtracting reactions"
Explanation :

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      Report Error : Sodium Hydroxide and Hydrochloric Acid Reactions to Sodium Chloride and Water What is this reaction?

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