Salts
This is an introduction to the chemical processes that lead to formation of chemical substances. The learner is expected to understand how to prepare the salts including outlining the procedures involved.
Biology essays
Biology essays are usually meant to evaluate syntesis of the concepts which have been covered in the syllabus. The questions usually expect elaborate answers from the learner to demonstrate the level of understanding of the concepts.
The essay questions are evaluated in biology paper 2 of the structured questions. Question 7 and 8 of the paper are set out of 20 marks. The questions are designed for the learner to select one of the questions.
Most of the learners perform well in this section and is a good area to focus on to better performance.
We have designed these section to provide access to a variety of the questions that will ensure mastery of content is good.
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Growth is an irreversible increase in size of an organism while development is the irreversible change in complexity of the organism.
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Basic concepts in chemistry are highlighted under the introduction. Get these questions to check the important areas you need to keep focus on.
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This chapter is taught in chemistry form three. As an element, sulphur is widely used by man on earth as an important chemical substances and for industrial purposes.
Air and combustion
Air and combustion notes for teaching and learning have been prepared to help in teaching and learning process and revision to enable the learner understand the concepts on how elements interact with air and how they burn.
The mole concept in chemistry for secondary school
Mole is the unit of measure of substances in chemistry. It makes quantities to be expressed easily. This notes contain important concepts and the relevant examples attached to ensure clear understanding.
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