1. a) State two characteristics of the following kingdoms:
(i) Kingdom Protoctista
ii. Kingdom Animalia
iii. Kingdom Plantae (6 marks)
(b) i. Define the term ions. (2 marks)
ii. Give four (4) differences between temperature and heat. (4 marks)
(d) Explain the following with examples:
i. First class lever
ii. Second class lever
iii. Third class lever (6 marks)
2. a) i. Define ionic bond and give two examples. (3 marks)
ii. Write four (4) differences between mass and weight. (4 marks)
(b) Write the IUPAC name for each of the following compounds:
(i) Ca(OH)2
(ii) ZnCO3
(iii) MnO2-4
(iv) H2SO4
(v) SO4²-
(vi) Fe(OH)2 (6 marks)
(c) (i) Define concentration of a solution. (3 marks)
Answer (2)
This response outlines key characteristics of the kingdoms Protoctista, Animalia, and Plantae, defines important terms such as ions and concentration, and differentiates between concepts like temperature and heat, mass and weight. Additionally, lever types are explained with examples and ionic bonding is defined with examples provided. IUPAC names for common compounds are also specified. ;
This response outlines the characteristics of the kingdoms Protoctista, Animalia, and Plantae, defines ions and concentration, and differentiates between temperature and heat, and mass and weight. Additionally, it explains the types of levers and provides IUPAC names for various compounds. Overall, it provides a comprehensive understanding of these biological and chemical concepts.
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