Ph and reactions between acids and bases
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Transcript of Ph and reactions between acids and bases
![Page 1: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/1.jpg)
pH and Reactions between Acids and Bases
Grade 9 Term 2
Class Test
![Page 2: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/2.jpg)
Objectives
• By the end of this assessment the learners should be able to: – Differentiate between acids and bases – Describe the properties of acids and bases – Give balanced equations for the reactions between acids
and bases – State the uses of various indicators – State what a neutralisation reaction is and give an equation
for each type of neutralisation reaction – Give word equations for reactions between acids and bases
![Page 3: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/3.jpg)
Lower Order Questions
40% of the questions asked in the assessment were lower order questions.
These type of questions need memorization, being able to understand and differentiate
![Page 4: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/4.jpg)
Lower Order Questions
![Page 5: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/5.jpg)
Lower Order Questions
![Page 6: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/6.jpg)
Lower Order Questions
![Page 7: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/7.jpg)
Middle Order Questions
45% of the questions asked were middle order questions
These type of questions require the learners to understand more about the topic when it comes to balancing equations and knowing their indicators
![Page 8: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/8.jpg)
Middle Order Questions
![Page 9: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/9.jpg)
Middle Order Questions
![Page 10: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/10.jpg)
Middle Order Questions
![Page 11: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/11.jpg)
Middle Order Questions
![Page 12: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/12.jpg)
Middle Order Question
![Page 13: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/13.jpg)
Higher Order Questions
15% of the questions asked were high order questions
These types of questions will require learners to analyze critically and be able to think practically
![Page 14: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/14.jpg)
Higher Order Questions
![Page 15: Ph and reactions between acids and bases](https://reader036.fdocuments.us/reader036/viewer/2022062401/587abeca1a28abc0478b6607/html5/thumbnails/15.jpg)
Higher Order Questions