The correct answer is U2
The Nobel Prize is one of the most prestigious awards in the world. Every year, people who have done research of great value for the good of the human being in various areas, such as Chemistry, Physics, Medicine, Literature, Economics and Peace, are chosen and awarded.
False. Mosaics are made of flat fronted stones or tiles or glass, that go together to make a picture.
Lemons are very acidic, so they can be used to remove any <u>dark spots</u> that may appear on your chef's knives over time.
<h3>What is
acid strength?</h3>
Acid strength can be defined as a measure of the ability of an acid to dissociate (ionize or split) into an anion and a proton. Also, acid strength is typically measured in pKa.
<h3>The two types of acid.</h3>
In Science, there are two main types of acid and these include the following:
- Strong acid
- Weak acid
On a pH scale, a solution with a pH of 1 is considered to be a strong acidic while a solution with a pH of 6 is a weak acid such as lemons.
Due to the slight acidic nature of lemons, they can be used to remove any <u>dark spots</u> that may appear on your chef's knives over time.
Read more on weak acid here: brainly.com/question/9466949
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