Acids, Bases, Salts
Completion requirements
Pori drwy'r eirfa gan ddefnyddio'r mynegai hwn
Arbennig | A | B | C | CH | D | DD | E | F | FF | G | NG | H | I | L | LL | M | N | O | P | PH | R | RH | S | T | TH | U | W | Y | Y CYFAN
A
AcidA substance that produces hydrogen ions when dissolved in water. | |
AcidicHaving a pH below 7. | |
AlkaliA base that dissolves in water. | |
AlkalineHaving a pH above 7. | |
B
BaseA substance that neutralises an acid. | |
C
ConcentrationThe amount of dissolved substance present in a given volume of solution. | |
CorrosiveAble to chemically damage materials or living tissue. | |
H
Hydrogen ion(H+)– The ion associated with acidic solutions. | |
Hydroxide ion(OH⁻): An ion produced by alkalis in aqueous solution. | |
I
IndicatorA substance that changes colour depending on pH. | |