Rubber Matter
Authored by SUSAN Moe
Chemistry
4th - 5th Grade
Used 101+ times
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12 questions
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1.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
What is the substance from bacteria that can cause coagulation of latex?
2.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Name a substance that can prevent coagulation of latex.
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Which of the following solution can coagulate latex? [can choose more than one]
formic acid
ethanoic acid
concentrated hydrochloric acid
methanoic acid
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the name of monomer for latex?
5.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Name the process to improve the property of natural rubber?
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following are characteristics of vulcanised rubber? [can choose more than 1 answer]
More resistant to high heat
More resistant to oxidation
Less elastic than natural rubber
Less resistant chemical solution
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Which of the following comparison between natural rubber and vulcanised rubber are correct? [can choose more than 1 answer]
Vulcanised rubber is more elastic than natural rubber.
Vulcanised rubber is harder than natural rubber.
Vulcanised rubber cannot withstand heat while natural rubber can withstand heat.
Vulcanised rubber cannot oxidise easily while natural rubber can oxidise easily.
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