1 Experiment 8 Copper Electroplating And
Found 4 free book(s)2019 Chemistry Written examination
www.vcaa.vic.edu.auC. arachidic acid (M = 312 g mol−1). D. arachidonic acid (M = 304 g mol−1). Question 17 The tradition of bronzing baby shoes dates back for generations. Before electroplating, the shoe is painted with a conductive material. The copper, Cu, electrode and copper sulfate, CuSO4, solution cell used for electroplating a shoe is shown below. CuSO ...
Pearson Edexcel International GCSE Chemistry
qualifications.pearson.com(c) Electroplating is another method of rust prevention. This apparatus can be used to electroplate an iron nail. (i) Equation 1 shows the reaction at the copper rod. Equation 1 Cu o Cu2+ + 2e– Name this type of reaction, giving a reason for your answer. (2) type of reaction
Level 1/Level 2 GCSE (9–1) Thursday 16 May 2019
revisionscience.comMay 17, 2019 · State two reasons for electroplating a metal object. (2) 1 ... In an experiment, 3.5 g of element A reacted with 4.0 g of element G to form a compound. Calculate the empirical formula of this compound. ... mass of solid remaining in g 9.0 8.1 7.2 6.4 6.0 5.6 5.3 5.2 Figure 3 (i) Explain the trend shown by the data in Figure 3. ...
Chapter 14 Chemical Effect of Current
ncert.nic.in1. An electric current can produce (a) heating effect only. (b) chemical effect only. (c) magnetic effect only. (d) chemical, heating, and magnetic effects. 2. Boojho and Paheli performed experiments taking similar bulbs and cells but two different solutions A and B as shown in Fig.14.1. Boojho’s Experiment Paheli’s Experiment (A) (B) Fig.14.1