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Natasha2012 [34]
3 years ago
15

Element Q is an element that has a metallic shininess, has good heat conductivity, and is very brittle. To which of the followin

g categories does Element Q most likely belong? O A. compounds B. metalloids C. metals D. nonmetals​
Biology
1 answer:
vovangra [49]3 years ago
6 0

Answer:

C. metals

Explanation:

Elements in the periodic table are grouped into metal and non-metals depending on their characteristics. Metals usually possess the following characteristics:

- High melting and boiling point

- Brittle i.e. ability to break

- lustre i.e. ability to shine when polished.

- Good conductor of heat and electricity

Based on this above characteristics, element Q in this question is a METAL because it posseses the same qualities that a metal does.

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Answer:

The correct answer is - C. protein - Millons' test - red precipitate is formed.

Explanation:

The iodine test is the test that is used for the identification or presence of the starch in a food sample, in this test if starch present in the food then the solution of iodine and KI will turn to deep blue color. Therefore the given result is incorrect

The benedict test for confirming if glucose present in the sample, it is a mixture of sodium carbonate, sodium citrate, and copper(II) sulfate pentahydrate which starts as aqua blue in color but after adding sample and gradually heating it turns from yellow to orange as per the concentration of the glucose. Thus, it is incorrect.

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Millon's test for protein is the test that results in the red solution or red precipitate in the presence of the protein in the sample.

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