New Sponsored units from
Rolls-Royce Submarines
Choose 1 answer
{"type":"multi-choice","id":"73068","dataJson":{"key":2,"prompt":"True or False: Humans breathe in carbon dioxide and release oxygen.","options":[{"key":"0.4680413686884993","label":"True","value":"True"},{"key":"0.4840361981468637","label":"False","value":"False"}],"limitChoices":{"max":1,"min":1},"validResponse":["False"]}}
Drag the images into the correct place.
oxygen
bromine
nitrogen
carbon dioxide
hydrochloric acid
ammonia
{"type":"image-bucket","id":"73069","dataJson":{"prompt":"Which of these is a compound and what is an element?\n\nOnce you've answered, can you work out the difference between an element and a compound?","buckets":[{"key":"0.09354737439440408","name":"element","old_key":"element"},{"key":"0.42693580050942803","name":"compound","old_key":"compound"}],"options":[{"key":"0.667181869411888","label":"oxygen","value":"oxygen","bucket":"0.09354737439440408","fileboyId":"73a19465-8047-44e6-871d-9278feb718fc"},{"key":"0.9830940337381611","label":"bromine","value":"bromine","bucket":"0.09354737439440408","fileboyId":"7a382657-ab20-447c-8cd3-fb49e23d9a0a"},{"key":"0.9850225013145232","label":"nitrogen","value":"nitrogen","bucket":"0.09354737439440408","fileboyId":"70ccfb81-75e1-442e-9581-0b4c3c212bc6"},{"key":"0.9971025254722757","label":"carbon dioxide","value":"carbon dioxide","bucket":"0.42693580050942803","fileboyId":"88b3da78-6843-429b-bdd1-ac03ccbb847a"},{"key":"0.4396348230723234","label":"hydrochloric acid","value":"hydrochloric acid","bucket":"0.42693580050942803","fileboyId":"d66104fd-0a72-426a-aa6e-19e9670ff655"},{"key":"0.006587309505323491","label":"ammonia","value":"ammonia","bucket":"0.42693580050942803","fileboyId":"4ac4bfca-2b67-4654-a36e-a2ec37a0bd67"}]}}
Choose 3 answers
{"type":"multi-choice","id":"73070","dataJson":{"key":12,"prompt":"Which of these describes carbon dioxide? (choose all that apply)","options":[{"key":"0.16342119157223867","label":"clear","value":"clear"},{"key":"0.6934352712460038","label":"opaque","value":"opaque"},{"key":"0.9521863653674343","label":"smelly","value":"smelly"},{"key":"0.6732544205138332","label":"colourless","value":"colourless"},{"key":"0.6279929299681649","label":"odourless","value":"odourless"}],"limitChoices":{"max":3,"min":3},"validResponse":["clear","colourless","odourless"]}}
Choose 1 answer
{"type":"multi-choice","id":"73071","dataJson":{"key":14,"prompt":"Which of these is the best description of a compound?","options":[{"key":"0.017894909116043634","label":"A substance formed when two or more elements are bonded together.","value":"A substance formed when two or more elements are bonded together."},{"key":"0.9257102583189096","label":"A substance formed when explosions occur.","value":"A substance formed when explosions occur."},{"key":"0.10232561686194652","label":"A substance formed by burning liquids.","value":"A substance formed by burning liquids."},{"key":"0.7004692595343937","label":"Where a liquid changes to a solid.","value":"Where a liquid changes to a solid."}],"limitChoices":{"max":1,"min":1},"validResponse":["A substance formed when two or more elements are bonded together."]}}
Choose 1 answer
{"type":"multi-choice","id":"73072","dataJson":{"key":15,"prompt":"Which of these combinations makes up water?","options":[{"key":"0.159786752151176","label":"One hydrogen and two oxygen.","value":"One hydrogen and two oxygen."},{"key":"0.7192089981899035","label":"Two hydrogen and one oxygen.","value":"Two hydrogen and one oxygen."},{"key":"0.7232682327038163","label":"One hydrogen and one oxygen.","value":"One hydrogen and one oxygen."},{"key":"0.515934080726483","label":"Two hydrogen and two oxygen.","value":"Two hydrogen and two oxygen."}],"limitChoices":{"max":1,"min":1},"validResponse":["Two hydrogen and one oxygen."]}}
Look at the slide below to work out the answer.
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