During the electrolysis of molten lead bromide‚ which of the following takes place : A : Bromine is released at the cathode. B: Lead is deposited at the anode. C : Bromine ions gain electrons. D: Lead is deposited at the cathode. Ans : - D. Q. 2. Here is an electrode reaction : Cu → Cu2+ + 2e-. [i.e. Cu- 2e- →Cu2+]. At which electrode(anode or cathode) would such a reaction take place. Is this an example of oxidation or reduction. Ans : - At anode. Oxidation. Q. 3. A solution contains magnesium
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when it cooks is also a chemical reaction (if this does not happen the bread will have not have shape) Baking powder: Baking powder has two chemical reactions which are the following: 1. When it is mixed with wet ingredients it reacts to add co2 2. But that is not all when it hits the oven it reacts to the heat as well. Double Replacement: Baking soda (NaHCO3) reacts with acidic substances (HA) in cake batter in a double replacement reaction: Reactant Product NaHCO3 + HA
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CELL STRUCTURE CELL THEORY: Structural and functional unit of all living things New cells arise from already existing cells Cells contain information that instructs growth. This information can be passed onto new cells. MICROSCOPES: There are two main types of microscopes: Light and Electron Electron Micrographs- shown in colour LIGHT ELECTRON Uses beam of light Magnification = x1500 Resolution = 200 nm Wide range of specimens can be used Samples are fairly quick + easy to prepare
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Pre-Production As director‚ my objective was to tell a story cinematically. For the film‚ I chose the role of the director because I knew a numerous amount of different camera shots in which I could choose to use. The editor was given her role because she knew how to incorporate my ideas into the film. The cinematographer‚ on the other hand‚ was given his role because he had prior knowledge about cameras and could capture my vision for this film. In order to create the desired film‚ a genre was
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simple function f(x)=3x+2. As you can see it is a straight line. Any function has an ability to be described through its relations to other functions‚ for example as an inverse function‚ or as a solution to a differential equation. Also‚ as we will see further‚ functions can be quadratic. Quadratic function graph is simply a parabola. The equation of that function doesn’t contain any powers that are higher than 2. Basically‚ quadratic function is a polynomial of degree of 2. There are different
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C). If there is no error‚ blacken the rectangle [■] corresponding to (D) in the Answer sheet. 1. Though there is hourly bus service on this route (A) a number of people are still suffering (B) as there is no bus shelter here. (C) No error. 2. The boss took strict measures (A) with a view to ensuring punctuality (B) on the part of his subordinates. (C) No error. 3. People prefer to be identified (A) by their caste community or religion first (B) rather to be known as Indians first
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Combustion of Acetylene (ethyne) Rx: Back Why I don’t do acetlyene explosions in our lab.... Combustion of alkanes A quick review.... • Combustion reactions of alkanes consist only of C and H (hydrocarbon) • require O2(g) as a reactant • produce CO2(g) and H2O(g) and a large amount of energy!! Oxygen can be the limiting reagent which can lead to Incomplete combustion. For complete combustion of a hydrocarbon‚ oxygen must be in excess. If there isn’t sufficient oxygen‚ incomplete combustion occurs
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[Date] [Date] mukul88 [company name] mukul88 [company name] Semiconductor industry: Reasons of slowdown and its future. A study Semiconductor industry: Reasons of slowdown and its future. A study INTRODUCTION The semiconductor industry lives - and dies - by simple creed: smaller‚ faster and cheaper. The benefit of being tiny is pretty simple: finer lines mean more transistors can be packed onto the same chip. The more transistors on a chip‚ the faster it can do its work. Thanks in
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Extended Essay Guide Business & Management 2010 - 12 Introduction 4 The extended essay is: 4 Aims 5 Assessment objectives 5 Responsibilities of the student 5 Recommended: things to do 6 Recommended: things to avoid 7 Writing and researching the extended essay 8 Writing the extended essay 8 Formal Presentation of the extended essay 9 The length of the extended essay 9 Title 9 Abstract 9 Contents page 9 Illustrations 10 Appendices‚ footnotes and endnotes 10 The research
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Chemistry 161 Sample Quiz Chapters 1&2 KEY Harold Note: You have already received a significant figures/scientific notation sample quiz. The first ten problems (20 points) will be of exactly the same type. The numbers will be changed to offend the guilty (those who did not use the sample test as a study guide). 1. The term that refers to the reproducibility of a laboratory measurement is a. precision. b. repeatability. c. accuracy. d. exactness. e. the number of S.F. 2. The distance
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