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

Subject: Plastic bottles 41 general knowledge quiz questions. It should take around 9 minutes to complete all the questions.

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

Subject: Vanilla-scented body wash gel 17 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Vanilla-scented hand polish 12 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Vanilla-scented bath oil drops 20 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Vanilla scented soap 13 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Valuable construction materials 17 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Glycerin soap 10 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Environmental disasters 13 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Chemical-free candles 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Chemical industry growth 11 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Biotech industry advancements 15 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Chemical disposal 26 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

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

Subject: Multi-purpose cleaners 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.