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nignag [31]
3 years ago
11

When ammonium chloride is dissolved in water, the beaker gets cold. Which type of reaction does this describe

Chemistry
1 answer:
gulaghasi [49]3 years ago
7 0

Answer:

B

Explanation:

i think with exothermic reactions heat is released

this is what i looked up

hope this helps i took chem last year and think this is what i learned

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Each polysaccharide tested gives different color results with the iodine test ​
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Iodine (iodine-potassium iodide) staining distinguishes starch ( a polysaccharide) from monosaccharides, a disaccharides and other polysaccharides. Therefore, a bluish black color is a positive test for starch, and a yellow-ish brown color ( no color change) is a negative test for starch.
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Determine the oxidation states of the elements in the compounds listed. None of the oxygen-containing compounds are peroxides or
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Explanation:

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Explanation:

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3 years ago
the element aluminum forms a cation with the charge fill in the blank 2 . the symbol for this ion is , and the name is fill in t
shtirl [24]

The element aluminum forms a cation with the charge of +3. The symbol for this ion is Al³⁺, and the name is aluminum ion. The number of electrons in this ion 10.

<h3>What are ions?</h3>

Ions are formed when an atom gains or loses electrons.

Metals form positive ions by a loss of electrons whereas non-metals form negative ions by gaining electrons.

The aluminum ion is formed when aluminum loses three electrons to form Al³⁺ ion which has 10 electrons.

in conclusion, ions are formed by a gain or loss of electrons.

Learn more about ions at: brainly.com/question/490569

#SPJ1

5 0
1 year ago
What is the chemical test for chlorine?
Ann [662]

Answer:

hope it helps you a little

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