iii State the domain of science knowledge that is the focus for the objective

Iii state the domain of science knowledge that is the

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iii) State the domain of science knowledge that is the focus for the objective. iv) A week to practical time the teacher discovers that he has no funnels for the practical. Suggest the improvisation the teacher can make for funnels. d) i) We teach chemistry from a conceptual approach. The universal gas equation is given as:- PV = nRT This equation can be re-arranged to calculate the density of a given amount of gas. How would you show this to your class. ii) From the above consider this problem. “A chemist prepared a gaseous compound of density 7.7.g/h at 36 o C and 2.88 atm. Calculate the molar mass of the gas?” Conversion of o C = o K is o C + 273 R = 0.082 L x atm/Kxmole (30 marks) Q.2 a) i) Storage of chemicals is important in a chemistry lab. Copy the table below and fill in the information.
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Page 3 of 6 Chemical Mode of Storage Reason a. Potassium metal b. Chloride water c. Sodium hydroxide solution ----------------------------- ----------------------------- ----------------------------- ----------------------------- -------------------------------- -------------------------------- ------------------------------- ------------------------------ d. Silver nitrate solution ----------------------------- ------------------------------ ii) you double up a teacher and a school laboratory manage. In your stock there is hydrogen peroxide. What Two dangers does it pose? b) i) You have two clear liquids in different test tubes. You are not sure which is between Akane and Albene. How would you tell them apart? ii) Using atomic models how would you explain to students the difference between alkane and alkene. (20 marks) 3. a) i) Organic Chem.. content is spiraled in the syllabus as organic chemistry …I (Form 3) and organic che mistry II (Form 4). Give two purposes (reasons) for spiraling organic chem….content. Outline one justification for including org. chem… in the KCSE syllabus.
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