Chemistry Study Notes ADVANCED CHEMISTRY QUESTIONS & ANSWERS – SOLVED PROBLEMS msomimaktaba, November 11, 2018February 13, 2019 1 . Explain very briefly using equations where possible the extraction of copper from its commercial hall under the heading of reduction and purification. 2. (a) Write down: (i) Four reasons which justifies the placement of hydrogen in group I of the periodic table (ii) Four reasons which puts… Pages: 1 2 3 Continue Reading
Form 5 General Studies (GS) Study Notes Form 5 General Studies (GS) – PHILOSOPHY AND RELIGION msomimaktaba, November 7, 2018February 13, 2019 PHILOSOPHY I. Concept of philosophy Philosophy is the Greek word having the two words. Philo means the love of or pursuit of and Sophia means wisdom (knowledge). The simple meaning two combine word with the love of wisdom or knowledge. Loving wisdom involve seeking to know and understand about what… Pages: 1 2 3 4 5 Continue Reading
Form 4 Physics Notes PHYSICS FORM FOUR TOPIC 5: ELECTRONIC msomimaktaba, November 6, 2018February 13, 2019 Semi Conductors The Concept of Energy Band in Solids Explain the concept of energy bands in solids In solid-state physics, the electronic band structure (or simply band structure) of a solid describes those ranges of energy that an electron within the solid may have (called energy bands, allowed bands, or… Continue Reading
Form 4 Physics Notes PHYSICS FORM FOUR TOPIC 1: WAVESIntroduction to Waves msomimaktaba, November 6, 2018February 13, 2019 The Concept of Wave Explain the concept of a wave A wave is a disturbance that travels through a medium from one location to another location. Consider a slinky wave as an example of a wave. When the slinky is stretched from end to end and is held at rest,… Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 9: THERMAL CURRENT ELECTRICITY msomimaktaba, November 6, 2018February 13, 2019 Electromotive force (emf) and potential difference (pd) The Concept of Electromotive Force (emf) and Potential Difference (PD) Explain the concept of electromotive force (emf) and potential difference (pd) Potential difference (P.d) is the difference in potential between two charged points of conductor. It is measured in volts with… Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 7: MEASUREMENT OF THERMAL ENERGY msomimaktaba, November 6, 2018February 13, 2019 Heat Capacity Heat capacity is the amount of heat required to raise the temperature of an object or substance by one degree. The temperature change is the difference between the final temperature ( Tf) and the initial temperature ( Ti). The Factors which Determine Heat Quality of a Substance… Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 5: THERMAL EXPANSION msomimaktaba, November 6, 2018February 13, 2019 Thermal Energy The Concept of Heat Explain the concept of heat Heat – Is the transfer of energy due to temperature differences. Temperature – Is the degree of hotness or coldness of a body. Or heat is a form of energy which raises the temperature of the substance…. Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 4: OPTICAL INSTRUMENT msomimaktaba, November 6, 2018February 13, 2019 Simple Microscope The Structure of the Simple Microscope Describe the structure of the simple microscope A magnifying glass, an ordinary double convex lens with a short focal length, is a simple microscope. The reading lens and hand lens are instruments of this type. When an object is placed nearer… Continue Reading
Form 3 Physics Notes PHYSICS FORM THREE TOPIC 3: LIGHT msomimaktaba, November 6, 2018February 13, 2019 Light is aform of energy which controls the sense of vision. Reflection of Light from Curved Mirrors Difference between Concave and Convex Mirrors Distinguish between concave and convex mirrors Concave mirror is a spherical mirror whose reflecting surface is curved inwards. A Good example is the driving mirror of… Continue Reading
Form 2 Physics Notes PHYSICS FORM TWO TOPIC 6: MOTION IN STRAIGHT LINE. msomimaktaba, November 6, 2018February 13, 2019 Motion In Straight Line Motion is the change of position of an object from one place to another. There are two types of motions; i.Circular motion-Is the motion of an object in a circle. Examples; a/. motion of the electron around the nucleus of an atom b/.revolutionary movement of… Continue Reading