New Sponsored units from
Rolls-Royce Submarines
Choose 1 answer
{"type":"multi-choice","id":"73838","dataJson":{"key":0,"prompt":"There are weak intermolecular forces between polymer chains in thermosoftening polymers.","options":[{"key":"0.5804723605275873","label":"True","value":"True"},{"key":"0.14920600838035947","label":"False","value":"False"}],"limitChoices":{},"validResponse":["True"],"fileboyImageId":"0c723889-bbfb-4f19-ba8c-987a90f70cf8"}}
Choose 1 answer
{"type":"multi-choice","id":"73839","dataJson":{"key":1,"prompt":"Which of the below will melt when heated?","options":[{"key":"0.33493928492225544","label":"Thermosetting polymers","value":"Thermosetting polymers","fileboyId":"67341655-8ace-47ee-9a8f-dfc0448c5383"},{"key":"0.5082213323157729","label":"Thermosoftening polymers","value":"Thermosoftening polymers","fileboyId":"bcd4fbaa-d4b0-4e96-ab0b-8fd4f6793c85"}],"limitChoices":{},"validResponse":["Thermosoftening polymers"],"fileboyImageId":"dc673931-1a18-4713-b9df-8139e42cac1c"}}
Drag the images into the correct place.
Low density poly(ethene)
High density poly(ethene)
Medium density poly(ethene)
{"type":"image-bucket","id":"73840","dataJson":{"key":2,"prompt":"Which of the below forms branched chains and so the polymer chains can't pack closely together?","buckets":[{"key":"0.22406627465267526","name":"Correct answer","old_key":"0"},{"key":"0.9074671735376781","name":"Incorrect answers","old_key":"0.6718493910884813"}],"options":[{"key":"0.6630517636004326","label":"Low density poly(ethene)","value":"Low density poly(ethene)","bucket":"0.22406627465267526","fileboyId":"0b080181-27d0-4eea-a8d9-dc538869d0d5"},{"key":"0.18942536585383019","label":"High density poly(ethene)","value":"High density poly(ethene)","bucket":"0.9074671735376781","fileboyId":"1ce9a2cc-ab77-46bd-b00d-9222d21420ae"},{"key":"0.3887718192828875","label":"Medium density poly(ethene)","value":"Medium density poly(ethene)","bucket":"0.9074671735376781","fileboyId":"28dd4c68-9625-46a7-92eb-9643089350ed"}],"fileboyImageId":"f7a7c1a3-79ad-4d5c-9a7c-929fa2181a24"}}
Select the missing words in the text.
{"type":"fill-in-blanks","id":"73841","dataJson":{"key":3,"prompt":"Fill in the blanks","options":{"true":[{"label":"false","value":"false"},{"label":"true","value":"true"}]},"template":"It is {{true}} that high density poly(ethene) is formed under high pressure.","validResponse":{"true":"true"},"fileboyImageId":"f3300202-7cda-4d88-b022-39e971c9b4cc"}}
Choose 1 answer
{"type":"multi-choice","id":"73842","dataJson":{"key":4,"prompt":"Poly(propene) is used to make plastic bags.","options":[{"key":"0.28908268648613034","label":"True","value":"True","fileboyId":"aee6b175-9d65-45f8-a490-9de4eea861f5"},{"key":"0.38455758662764494","label":"False","value":"False","fileboyId":"807f7b80-f95b-45e5-9c97-6362b186b412"}],"limitChoices":{},"validResponse":["False"],"fileboyImageId":"fd67397c-3f6e-4252-a455-9082cf3cd856"}}
Look at the slide below to work out the answer.
Unlock expert-designed lessons, resources, and assessments tailored for educators. No credit card required.
Claim Your Free Trial →