You are given three black plastic boxes. One contains 10g of solid, one contains 10g of liquid, and one contains 10g of gas. explain how you could test to determine which box contains which substance (without opening the box)

Geothermal energy for industrial use is available almost anywhere. a. true b. false

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons