Is a match getting set on fire a chemical change?

Which chemical reaction is associated with a fire? a. reduction b. precipitation c. oxidation d. none of the above?

You have a solution that is 18.5% (v/v) methyl alcohol. if the bottle contains 2.40 l of solution, what is the volume (v) in milliliters of methyl alcohol?

Sand dunes protect beaches against erosion and flooding due to storms. Which human activity would have the most negative impact on dune grasses and the coast?

What is the stationary phase in chromatography? Like what is it?

Which is the equation of a circle with its center at (-4,2) and a radius of 4? Select one: a. (x+4) 2 + (y-2) 2 = 16 b. (x-4) 2 + (y+2) 2 = 16 c. (x-4) 2 + (y+2) 2 = 4 d. (x+4) 2 + (y-2) 2 = 4

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How to prove that NaCl is homogeneous mixture.

How many hydrogen bonds can CH3-O-CH2OH form with water?

What is a substance that has mass and volume

Why does some friction occur with seemingly smooth surfaces?