Natural Sciences MSA (Chemistry) Flashcards
carbonic acid
H₂CO₃
H₂CO₃
carbonic acid
hydrochloric acid
HCl
HCl
hydrochloric acid
nitric acid
HNO₃
HNO₃
nitric acid
H₂SO₄
sulfuric acid
sulfuric acid
H₂SO₄
phosphoric acid
H₃PO₄
H₃PO₄
phosphoric acid
What is the difference between an alkali and a base?
Alkalis are specifically 𝐬𝐨𝐥𝐮𝐛𝐥𝐞 while bases are both 𝐬𝐨𝐥𝐮𝐛𝐥𝐞 and 𝐢𝐧𝐬𝐨𝐥𝐮𝐛𝐥𝐞.
What is Universal Indicator?
Universal Indicator is a mixture of indicator dyes that imitates the colors of the rainbow when measuring acidity.
Why is Universal Indicator useful?
Universal Indicator is useful because it gives a spectrum of colors depending on the strength of the acid or alkali added.
What is litmus?
Litmus is a type of indicator that can only show one color and cannot be changed with a different substance. It is made with lichens.
What is PH, what is the PH scale, and what is it measured as?
PH stands for potential hydrogen and measures the acidity from 1 to 14. The lower the number, the higher the acidity, and the higher the number, the more basic it is.