The first test you just

read about is for

appearance. if the

substance is a

crystalline solid, as

shown at right, then the

substance is likely

ionic

covalent

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.

the answer is option a.

the answer is yes

it has kinetic energy

reason

an object has kinetic energy when you stop the force carrying it, the object will stay in motion.

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gasoline is a mixture. it contains several different kinds of compounds that can be present in a variety of ratios.