- Litmus paper is paper treated with litmus powder. It turns red in pH<4.5 (acidic) and blue in pH>8.3 (basic.)
- Pheophthalein is a colourless liquid that turns pink in basic solution. The more concentrated the base, the deeper the pink.
- Universal indicator is a solution that is added to a solution. At pH<3 it is red and it goes through the colour spectrum until it hits violet when in a solution of pH>11
- Hydrion papers are papers treated with a universal indicator that are marketed commercially.
•An acid is a proton donor
•A base is a proton receiver
HCl + OH- >> Cl- + HOH
•A Lewis acid receives a pair of electrons•A Lewis base donates a pair of electrons
an acid and a base that are the same except for an H+ -apex
Folique acide, or folic acid, is a naturally occurring water soluble vitamin.
What is acide
A doctor may be able to tell if vomiting is the cause of a sore throat. If the vomiting occurs frequently, the throat can become quite sore from the acide in the vomit.
vin acide
no
ADN Acide desoxyribo nucléaire
CaOH2 is a base because calcium is compounded with hydroxide, rather than hydrogen. Most if not all acids' names begin with 'H', while most if not all bases' names end with 'OH'.
to tell which is base is yeah
Hydrochloric acid, HCl, is a strong acid.
Lac+ bacteria is acid base color indicator that lowers the pH of the MacConkey agar. The MacConkey agar contains neutral red dye, lactose, peptone, and crystal violet dye.
what acid do you use to test gold