Polar molecule has diff charges positive nd negative but the non polar molecule does not it has an equal charge.
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A non-polar molecule doesn't have anything in the molecule that cause it to be attracted to water or other polar molecules making it hydrophobic, like oil in water.
A polar molecule has groups on it that give it a charge and cause it to be attracted to other polar molecules. Like alcohol in water. Alcohol is polar due to the -OH group attached to it causing it to miscible in water.
Answer:Phenolphthalein is a presumptive test that reacts with the heme molecule present in blood. A positive reaction gives a pink color. While bloodstains normally appear red-brown in color, the color of the substrate or the age of a stain may affect the appearance or visibility of the stain.
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Answer:
Scabies usually is spread by direct, prolonged, skin-to-skin contact with a person who has scabies. Contact generally must be prolonged; a quick handshake or hug usually will not spread scabies. Scabies is spread easily to sexual partners and household members.
The role of carbohydrates<span> is to provide energy, as they are the body's main source of fuel, needed for physical activity, brain </span>function<span> and operation of the organs. All the cells and tissues in your body need </span>carbs<span>, and they are also important for intestinal health and waste elimination.</span>
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In the dehydration synthesis reaction above, two molecules of the sugar glucose (monomers) combine to form a single molecule of the sugar maltose. One of the glucose molecules loses an H, the other loses an OH group, and a water molecule is released as a new covalent bond forms between the two glucose molecules.
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