[{"id": 1, "type": "multiple_choice", "options": ["NaCl", "CO₂", "H₂O", "O₂"], "question": "What is the chemical symbol for water?", "correct_answer": "H₂O"}, {"id": 2, "type": "multiple_choice", "options": ["Change direction randomly", "Always accelerate", "Stay at rest unless acted upon by an external force", "Eventually start moving on its own"], "question": "According to Newton's First Law, an object at rest will:", "correct_answer": "Stay at rest unless acted upon by an external force"}, {"id": 3, "type": "multiple_choice", "options": ["NaCl", "H₂O", "CO₂", "O₂"], "question": "What is the chemical symbol for water?", "correct_answer": "H₂O"}, {"id": 4, "type": "multiple_choice", "options": ["Change direction randomly", "Stay at rest unless acted upon by an external force", "Always accelerate", "Eventually start moving on its own"], "question": "According to Newton's First Law, an object at rest will:", "correct_answer": "Stay at rest unless acted upon by an external force"}, {"id": 5, "type": "multiple_choice", "options": ["H₂O", "O₂", "NaCl", "CO₂"], "question": "What is the chemical symbol for water?", "correct_answer": "H₂O"}]