// Numbas version: finer_feedback_settings {"name": "Rory's copy of Rory's copy of 2850: 202 MCQ:1", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"showQuestionGroupNames": false, "advice": "", "type": "question", "variable_groups": [], "parts": [{"showCorrectAnswer": false, "matrix": [0, 0, "1", 0], "distractors": ["", "", "", ""], "displayColumns": "1", "variableReplacements": [], "type": "1_n_2", "displayType": "radiogroup", "minMarks": 0, "choices": ["

contains a mixture of aluminium and gold

", "

is made out of $\\var{c}$

", "

contains the element iron (Fe)

", "

contains the element $\\var{b}$

"], "scripts": {}, "shuffleChoices": true, "variableReplacementStrategy": "originalfirst", "maxMarks": 0, "marks": 0}], "tags": [], "functions": {}, "variables": {"a": {"group": "Ungrouped variables", "definition": "[ \"lead (Pb)\", \"copper (Cu)\", \"sodium (Na)\", \"tin (Sn)\", \"tungsten (W)\", \"nickel (Ni)\", \"zinc (Zn)\" ]", "description": "", "name": "a", "templateType": "list of strings"}, "b": {"group": "Ungrouped variables", "definition": "random(a)", "description": "", "name": "b", "templateType": "anything"}, "c": {"group": "Ungrouped variables", "definition": "random(a except b)", "description": "", "name": "c", "templateType": "anything"}}, "variablesTest": {"maxRuns": 100, "condition": ""}, "metadata": {"notes": "", "description": "

Ferrous Metals

", "licence": "Creative Commons Attribution 4.0 International"}, "ungrouped_variables": ["a", "c", "b"], "preamble": {"js": "", "css": ""}, "question_groups": [{"pickQuestions": 0, "name": "", "pickingStrategy": "all-ordered", "questions": []}], "rulesets": {}, "name": "Rory's copy of Rory's copy of 2850: 202 MCQ:1", "statement": "

A ferrous metal . . .

", "contributors": [{"name": "Rory McSherry", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1524/"}]}]}], "contributors": [{"name": "Rory McSherry", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1524/"}]}