Chemical refers both chemical substances and mixtures.Chemical is a substance, it is in the form of matter having chemical composition and characteristic propertiesChemical substances exists in liquids, solids and gases.Chemicals processes the reactions to obtain various useful things.
answered: Guest
a is the answer to this question
explanation:
answered: Guest
Ch4 is nonpolar and insoluble in water. since all of the hydrogen atoms are evenly spread around the carbon atom even through the c h bond is polar all the poles cancel each other out.