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sukhopar [10]
3 years ago
7

When iodine solution is mixed with an unknown sample of food, the mixture turns a blue black color. this color change indicates

the presence of?
Chemistry
1 answer:
andrezito [222]3 years ago
8 0
It indicates the presence of starch
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How many kilometers are there in 4.5 x 10^3 meters ?
Len [333]
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Which of the following is a correct formula unit? PbCl AlP Li3Al ClO
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Answer:  AIP  

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3 years ago
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Natalija [7]
You got the answer correct. If you would double check
given:C (12 g/mol) H (1 g/mol). 

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and for C2H4
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Also, chemical formula of styrene is<span> C6H5CH=CH2.</span>
7 0
3 years ago
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Schach [20]

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To convert the mass of any object to volume we must use density that is defined as the ratio between mass of the object and the space that is occupying. For an object that weighs 7.9g and the density is 2.28g/mL, the volume is:

7.9g * (1mL / 2.28mL) =

<h3>3.7mL is the volume of the object</h3>
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harkovskaia [24]

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Explanation:

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