Which of these metals is the most reactive?
{"id":22863,"questions":[{"type":"multi-choice","id":"545","dataJson":{"prompt":"Which of these metals is the most reactive?","options":[{"key":"lead","label":"lead","value":"lead"},{"key":"platinum","label":"platinum","value":"platinum"},{"key":"calcium","label":"calcium","value":"calcium"},{"key":"silver","label":"silver","value":"silver"}],"feedback":"","limitChoices":{},"question_type":0,"validResponse":["calcium"]}}]}
Which of these metals is the most reactive?
Choose 1 answer