Which selection is an example of an electrolyte a. potassium iodide in water
b. sucrose in water
c. pentane in octane
d. methanol in water

What is the percentage composition of carbon in the compound ch4

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

The process by which liquid water changes into water vapour is called what ?