A) Astronomy and space exploration B) Advanced chemical theory C) Fun science experiments using household items D) Historical scientific discoveries
A) Ammonia B) Carbon dioxide gas C) Oxygen gas D) Hydrogen gas
A) Easy cleanup of spills B) Increased risk of injury C) Requires expert supervision D) Improved academic performance
A) Using pH indicators B) Heating substances C) By mixing paints D) Adding sugar
A) Glycerin and bleach B) Baking soda and vinegar C) Acetic acid and ethanol D) Vegetable oil and water
A) Nuclear fission B) Thermal expansion C) Photosynthesis D) Magnetic fields
A) Using non-toxic materials B) Working near electrical outlets C) Ignoring spills D) Using sharp objects
A) Oxidation-reduction B) An acid-base reaction C) Decomposition reaction D) Endothermic reaction |