0654 Electricty & Chemistry Quiz

Description

Quiz for 0654 Coordinated Sciences Topic on Electricity and Chemistry
Jeffrey Piggott
Quiz by Jeffrey Piggott, updated more than 1 year ago
Jeffrey Piggott
Created by Jeffrey Piggott over 5 years ago
2717
0

Resource summary

Question 1

Question
The diagram shows a section of an overhead power cable. Which statement explains why a particular substance is used?
Answer
  • A Aluminium has a low density and is a good conductor of electricity.
  • B Ceramic is a good conductor of electricity.
  • C Steel can rust in damp air.
  • D Steel is more dense than aluminium.

Question 2

Question
The diagram shows the electrolysis of concentrated hydrochloric acid and concentrated aqueous sodium chloride using carbon electrodes. At which electrode(s) is hydrogen produced?
Answer
  • A electrode 1 only
  • B electrodes 1 and 3
  • C electrode 2 only
  • D electrodes 2 and 4

Question 3

Question
What are the electrode products when molten silver iodide is electrolysed between inert electrodes?
Answer
  • A
  • B
  • C
  • D

Question 4

Question
Copper and hydrogen can each be formed by electrolysis. At which electrodes are these elements formed?
Answer
  • A
  • B
  • C
  • D

Question 5

Question
The diagram shows a failed attempt to copper-plate a pan. Which action will plate the pan with copper?
Answer
  • A cooling the copper sulfate solution in an ice bath
  • B heating the copper sulfate solution to boiling point
  • C increasing the voltage from 3 V to 6 V
  • D making the pan the cathode and the copper the anode

Question 6

Question
The diagram shows the electroplating of a steel object. A student made the following statements. 1 The object turns a reddish-brown colour. 2 The copper sulfate solution changes to a paler blue colour. 3 The copper electrode becomes smaller. Which statements are correct?
Answer
  • A 1, 2 and 3
  • B 1 and 2 only
  • C 1 and 3 only
  • D 2 and 3 only

Question 7

Question
The diagram shows an electrolysis experiment. During the electrolysis, sodium was formed at electrode P and chlorine at electrode Q. Which row correctly identifies P, Q and X?
Answer
  • A
  • B
  • C
  • D

Question 8

Question
The diagram shows apparatus for plating a spoon with silver. Which statement is not correct?
Answer
  • A Silver would stick to the spoon because it is a very reactive metal.
  • B The electrolyte would be a silver salt dissolved in water.
  • C The metal electrode would be made from silver.
  • D The spoon would be connected to the negative terminal of the power supply.

Question 9

Question
Which metal could not be used for electroplating by using an aqueous solution?
Answer
  • A chromium
  • B copper
  • C silver
  • D sodium

Question 10

Question
Which products are formed at the electrodes when a concentrated solution of sodium chloride is electrolysed?
Answer
  • A
  • B
  • C
  • D

Question 11

Question
A student wishes to electroplate an object with copper. Which row is correct?
Answer
  • A
  • B
  • C
  • D

Question 12

Question
In the electrolysis shown, chlorine is produced at W and sodium at X. Which labels are correct?
Answer
  • A
  • B
  • C
  • D

Question 13

Question
Which substance will not conduct electricity?
Answer
  • A aluminium
  • B copper
  • C plastic
  • D steel

Question 14

Question
Electrical cables are made from either ……1……, because it is a very good conductor of electricity, or from……2……, because it has a low density. Overhead cables have a ……3…… core in order to give the cable strength. Which words correctly complete gaps 1, 2 and 3?
Answer
  • A
  • B
  • C
  • D
Show full summary Hide full summary

Similar

Charges of the nucleus, atom, ions and more
Tarantino Hajdari
Formation of X-rays
Lexi Crosbie
GCSE Biology, Module B4
jessmitchell
Cell Biology IB SL Biology
Elisabeth Morell
Animal Cell Structure And Organelles
emilyorr97
Cell Quiz part 1 of 5
MsHeltonReads
National 5 Biology- Cell Structure Quiz
Cara A
Cell Biology
foleyshannon0
Parts of a Cell
KittyG-S
Ch 4: Cell Structure and Function
Shannan Muskopf
Organelles in cells
Jessica Phillips