Revision Form4 Chapter 9 Chemical Substances for Industrial
2 hours ago
syuan81_917820
Save
Edit
Host a game
Play LiveLive
Assign HW
Solo Practice
Practice
25 QuestionsShow answers- Question 145 secondsReport an issueQ.
Which substance is commonly used to manufacture dyes and detergents?
answer choices - Question 245 secondsReport an issueQ.
Diagram shows the stages in Contact Process.
Name the substances P and Q.
answer choices - Question 345 secondsReport an issueQ.
The manufacturing of sulphuric acid involves several reactions. Which of the following equations represents the sulphuric acid reaction that use a catalyst?
answer choices - Question 445 secondsReport an issueQ.
Which gas is the main agent of pollution which causes acidic rain?
answer choices - Question 545 secondsReport an issueQ.
Acid rain causes the land to be acidic. Farmers neutralize the acidity in the soil by adding................
answer choices - Question 645 secondsReport an issueQ.
Which of the following is the main usage of the product in Haber Process?
answer choices - Question 745 secondsReport an issueQ.
The chemical equation shows the reaction which occurs in Haber Process.
N2 + 3H2 --> NH3
Which of the following represents catalyst, temperature and presure in the process?
answer choices - Question 845 secondsReport an issueQ.
Pure metals are ductile and malleable. this is because...........
answer choices - Question 945 secondsReport an issueQ.
Diagram below shows the atomic arrangement in an alloy.
this alloy is harder than its pure metal because..........
answer choices - Question 1045 secondsReport an issueQ.
diagram shows the arrangement of atoms in alloy X.
What is the name of alloy X?
answer choices - Question 1145 secondsReport an issueQ.
The body of the car shown in diagram below is made of alloy W.
What is alloy W?
answer choices - Question 1245 secondsReport an issueQ.
In order to produce a glass that more resistant to heat and chemicals, substance X is added to soda lime glass in the manufacturing process.
What is X?
answer choices - Question 1345 secondsReport an issueQ.
which of the following substances is found in a photochromic glass?
answer choices - Question 1445 secondsReport an issueQ.
kaolin is used to made porcelain. A substance is added to kaolin to harden it.
What is the substance?
answer choices - Question 1545 secondsReport an issueQ.
Which of the following describe the characteristics of ceramics?
I Hard
II Brittle
III High melting point
IV Good electrical insulator
answer choices - Question 1645 secondsReport an issueQ.
Why is ceramic used for the wall of a nuclear reactor?
answer choices - Question 1745 secondsReport an issueQ.
Which substance is a composite material?
answer choices - Question 1845 secondsReport an issueQ.
Digital communication plays a very important role in modern living. Effective transmission of data, voice and images in a digital format requires a suitable material.
What is the material?
answer choices - Question 1945 secondsReport an issueQ.
What is the main purpose of using superconductors?
answer choices - Question 2045 secondsReport an issueQ.
Diagram shows the layout of water pipe system in a house.
What are the best materials that can be used as pipes for the above purposes?
answer choices - Question 2145 secondsReport an issueQ.
Polymer, glass, alloy and composite material are some examples of manufactured substance in industry.
Which statement is correct about these substances?
answer choices - Question 2245 secondsReport an issueQ.
Plaster of Paris which is used to make plaster casts for supporting broken bones is made up of ...................
answer choices - Question 2345 secondsReport an issueQ.
Diagram shows the lead crystal glass.
What are the major components used in the making of lead crystal glass?
answer choices - Question 2445 secondsReport an issueQ.
Ammonium sulphate is used as a chemical fertilizer. This fertilizer can be prepared in the laboratory through the reaction between ............
answer choices - Question 2545 secondsReport an issueQ.
A student was dazzled by the sunlight while doing her revision as shown in diagram.
She want to change the window glass to solve this problem. The new window glass should contain substance M.
What is substance M?
answer choices
Report an issue
Why show ads?
BACK TO EDMODO