Subject: Neodymium carbonate 30 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: Holmium carbonate 15 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Lutetium carbonate 17 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Praseodymium carbonate 12 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Strontium iodide 14 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Cesium iodide 17 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Barium fluoride 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Calcium fluoride 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Strontium fluoride 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Strontium aluminate 16 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Europium-doped yttrium oxide 17 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Scandium group 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Non-toxinogenic 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Harmless 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Bioassay 16 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: LD50 (Lethal Dose 50) 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.