Chemistry - MP Primary Teacher Selection Exam 2025

1. Limestone, chalk, and marble are different forms of:
   A. Calcium hydroxide
   B. Calcium oxide
   C. Calcium carbonate
   D. Calcium iron
   Correct Answer: B. Calcium oxide
2. What is the chemical name of Aspirin?
   A. Acetylsalicylic acid
   B. Ibuprofen
   C. Paracetamol
   D. Morphine
   Correct Answer: A. Acetylsalicylic acid
3. Which of the following are found inside the nucleus of an atom?
   A. Protons and Neutrons
   B. Electrons and Protons
   C. Neutrons and Electrons
   D. Neutrons, Protons, and Electrons
   Correct Answer: A. Protons and Neutrons
4. The sour taste of lemon is due to the presence of:
   A. Citric acid
   B. Acetic acid
   C. Oxalic acid
   D. Formic acid
   Correct Answer: A. Citric acid
5. Which of the following is NOT a halogen?
   A. Fluorine
   B. Chlorine
   C. Bromine
   D. Tellurium
   Correct Answer: D. Tellurium