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{"type":"multi-choice","id":"76265","dataJson":{"prompt":"True or False? A salt is always formed when a metal reacts with hydrogen gas.","options":[{"key":"0.86519420027883","label":"True","value":"True"},{"key":"0.8258191234661726","label":"False","value":"False"}],"limitChoices":{"max":1,"min":1},"validResponse":["False"]}}
Select the missing words in the text.
{"type":"fill-in-blanks","id":"76266","dataJson":{"key":3,"prompt":"Fill out the blanks","options":{"Salt":[{"label":"Salt","value":"Salt"},{"label":"Alkali","value":"Alkali"},{"label":"Metal Carbonate","value":"Metal Carbonate"}],"Hydrogen":[{"label":"Carbon Dioxide","value":"Carbon Dioxide"},{"label":"Oxygen","value":"Oxygen"},{"label":"Hydrogen","value":"Hydrogen"}]},"template":"Complete the following general equation for the reaction between acids and metals: Acid + Metal --\u003e {{Salt}} + {{Hydrogen}}","validResponse":{"Salt":"Salt","Hydrogen":"Hydrogen"}}}
Choose 2 answers
{"type":"multi-choice","id":"76267","dataJson":{"key":14,"prompt":"Which of the following are products from the reaction between hydrochloric acid and magnesium?","options":[{"key":"0.7312380462605662","label":"Hydrogen","value":"Hydrogen"},{"key":"0.7834044392116323","label":"Carbon Dioxide","value":"Carbon Dioxide"},{"key":"0.1662069531381264","label":"Magnesium Chloride","value":"Magnesium Chloride"},{"key":"0.9809031082406294","label":"Water","value":"Water"},{"key":"0.5654243755113012","label":"Magnesium Hydroxide","value":"Magnesium Hydroxide"}],"limitChoices":{"max":2,"min":2},"validResponse":["Hydrogen","Magnesium Chloride"]}}
Choose 1 answer
{"type":"multi-choice","id":"76268","dataJson":{"key":15,"prompt":"What is the chemical formula for sulfuric acid?","options":[{"key":"0.03442893133023406","label":"HSO3","value":"HSO3"},{"key":"0.7741512898589606","label":"HCl","value":"HCl"},{"key":"0.719398108306973","label":"H2SO4","value":"H2SO4"},{"key":"0.7154818385315139","label":"SO4","value":"SO4"}],"limitChoices":{"max":1,"min":1},"validResponse":["H2SO4"]}}
Choose 3 answers
{"type":"multi-choice","id":"76269","dataJson":{"key":4,"prompt":"What happens when an acid and a metal react? ","options":[{"key":"0.3132055866436798","label":"heat is released ","value":"heat is released "},{"key":"0.30672853853961946","label":"heat is taken in","value":"heat is taken in"},{"key":"0.012432849612467156","label":"a salt is produced ","value":"a salt is produced "},{"key":"0.7389110436770906","label":"a alkali is produced ","value":"a alkali is produced "},{"key":"0.10523307766139522","label":"hydrogen gas is produced ","value":"hydrogen gas is produced "}],"limitChoices":{"sameNumberAsCorrectAnswers":true},"validResponse":["heat is released ","a salt is produced ","hydrogen gas is produced "]}}
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