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umka2103 [35]
3 years ago
10

ONLY ANSWER IF YOU ARE SURE PLEASE

Chemistry
1 answer:
Furkat [3]3 years ago
8 0
The universal indicator is used to determine the presence of an acid or base, going from acid to base it changes in the order of the rainbow with green being neutral. Chemical X is Hydrogen Chloride (HCl) we know this because it is a strong acid therefore the indicator would turn red. Chemical Y is Sodium Hydroxide (NaOH) we know this because it is a base therefore the indicator would turn purple. Finally Chemical Z is Sodium Chloride (NaCl) which is neither an acid or base meaning it would turn green for neutral. Another thing that helped determine which one was an acid was Chemical had a reaction with the magnesium while the others did not, when reacted with bases, only the magnesium has a reaction.
Hope this helps :)
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33.11 trillion kilometers is equivalent to 3.5 light years

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How the change in pressure affect the volume of the gas
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4 years ago
Gold is currently trading at very high price. Suppose that gold is selling for around $1860/ounce. How
Ugo [173]

Answer:

The answer is "3.81041978"

Explanation:

\to 1 \ OZ= 28.349523125 \ grams\\\\

              =28.349523125\times {1000} \ miligrams\\\\= 28349. 5231  \ miligrams\\

In 1860 = 28349.5231 \ miligrams\\

\to In \$ \ 1 = \frac{28349.5231}{1860} \ \ miligrams\\

             = 15.2416791 \ miligrams

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\to \$ \ 0.25 =  15.2416791  \times 0.25 \  miligrams\\

              = 3.81041978

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3 years ago
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4 years ago
Write the name for NaCl
neonofarm [45]

The name for NaCl is Sodium chloride

<h3>Salt and it's examples.</h3>

Salt is defined as the chemical compound that contains both a positively charged cation.and negatively charged anion.

It is formed by the reaction of acid and base is a neutralisation reaction.

Examples of salt include:

  • Sodium Chloride or Common Salt (NaCl)

  • Sodium Hydroxide (NaOH)

  • Sodium Carbonate or Washing Soda (Na2CO3.10H2O)

  • Baking Soda or Sodium Bi-carbonate (NaHCO3)

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Therefore another name for salt is common salt.

Learn more about salt here:

brainly.com/question/13655717

8 0
3 years ago
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