Mark & Sally were in lab and they were working on a chemical reactions experiment. They mixed 2 liquids together and a white sold color appeared. What can Mark & Sally conclude as their observation? A chemical change
B physical change

When a scientific theory has been tested and proved by the scientific community, it becomes a law

Which of the following is a physical property flammability heat of combustion solubility and toxicity

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw