In a laboratory experiment, john uses a mesh to separate soil particles from water. which technique of separation is he using? a. chromatography b. distillation c. filtration d. condensation

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

The boiling point of liquids is very high what does it indicate

Identify the electromagnets with poles that are reversed from the electromagnet shown above