Flattening the chicken makes the meat thinner so it cooks faster.
Typically you could do both.
To insure thorough cooking of the food item.
No.
you should know whether your chicken is spoiled before cooking. Smell it and if you smell even the slightest bad odor, throw it out.
No you don't.
It helps the skin go nice & crispy
To have the skin Brown on a Roasted Chicken...Simply brush the skin with butter, margarine or oil before cooking.
Chicken spoils quickly and should be cooked within 1 to 2 days of refrigeration.
Yes, you have to wash it inside and out to rid of all the impurities.
Yes. Any bacteria will be killed by the cooking process.
Stripping the fat from meats like chicken is best done before baking or cooking. Trim all the visible fat away with a knife before cooking or breading. Boiling chicken in water will also remove much of the fat.
The chicken is still frozen, please thaw it before cooking so that it will cook more evenly.