Which substance cannot be separated or broken down into simpler substances by chemical means? table salt

gold wire

candle wax

water vapor

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

What are fructose and glucose an example of?

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