Titrations (Grade 12 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the primary purpose of titration?
What is the primary purpose of titration?
To determine concentration of unknown soln
What is the end-point in a titration?
What is the end-point in a titration?
When stoichiometric equivalent amounts react
Which indicator is used for strong acid + strong base titrations?
Which indicator is used for strong acid + strong base titrations?
Bromothymol blue
What color is phenolphthalein at the end-point in weak acid + strong base titration?
What color is phenolphthalein at the end-point in weak acid + strong base titration?
Faint pink
What is the function of a burette in titration?
What is the function of a burette in titration?
Adding standard solution drop by drop
Why is a white tile placed under the conical flask?
Why is a white tile placed under the conical flask?
To better observe color changes
Which titrations should be used to calculate the average volume?
Which titrations should be used to calculate the average volume?
The accurate titrations only
How do you convert 25 cm³ to dm³?
How do you convert 25 cm³ to dm³?
Divide by 1000 to get 0.025 dm³
In the reaction , what is the mole ratio?
In the reaction , what is the mole ratio?
2 mol NaOH : 1 mol H₂SO₄
How is the final adjustment made when preparing a standard solution?
How is the final adjustment made when preparing a standard solution?
Use dropper to add water until meniscus aligns