Define the following terms. (8 marks) (a) Electron affinity (b) Gay-lussac’s law of oxidation number (c) Molarity (d) Electrolysis (e) Reduction in terms of oxidation number (f) A catalyst (g) Chemical

.(a) A vector of 3 units is inclined at an angle of 35° to the x –axis. Find the magnitudes of the vector components along x and y axis. (4-marks) (b) A car starting from rest travels with uniform acceleration

A quantity that has both magnitude and direction is called a ……… . The thing that cause the body to move is called ……… . The magnitude of resultant vector of two vectors have the same magnitude and opposite

K = {1,2,3,4,5,6}. A function from K to K is such that for n∈K n ↦1 if n is odd , and n↦ n/2 if n is even Describe this function by the set of ordered pairs. E = {3,4,5,…..21} and F = {2,4,6,8,10}. A function

Draw the graph of the following number lines below one another. (a) P = {x/x≥3, x∈R} (b) Q = {x/x≤-2, x∈R} (c) P∩Q (d) P∪Q . On separate number lines draw the graph. S = {x/x>-4} , T = {x/x<3}.Give

Warwar hteinhtein chitthu lay do ein.Ko nay chin del eain.alloysေတြကို ဘယ္ေနရာေတြမွာ သံုးသလဲ။ Magnesium alloys are used for engineering construction. 7. Basic carbonate of magnesiumကို သြားတိုက္ေဆးမွာ

Warwar hteinhtein chitthu lay do ein.Ko nay chin del eain.

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The little coracle was very safe for a person of my size, and got along well, as I paddled first one side and then the other with the little oar. By good fortune the tide took me towards the Hispaniola

How can you fly a flag ? Why does a pulley have a groove 2 What is the purpose of a pulley-wheel ? •j" I. (b) Read the passage A very useful kind of wheel is one with teeth, usually called a gear-wheel.

UNIT (1 ) The Wheel I. (a) Read the passage Wheels are used today for many purposes besides carTYing things. On some buildings, and in many pubfic places, you Giill find a flag-staff. At the top of the

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