Local black soap is made by boiling palm oil with liquid extract of ash. The function of the ash is to provide the
Acid
Ester of alkanoic acid
Alkali
Alkanol
An unsaturated solution differs from a saturated solution at a given temperature because it:
cannot dissolve more in solute
can hold more solute than it can actually dissolve
can still dissolve more solute at that given temperature
form crystals more easily on cooling
According to Charles' law, the volume of a gas becomes zero at
0°C
-100°C
-273°C
-373°C
Which of the following terms indicates the number of bonds that can be formed by an atom?
Oxidation number
Valence
Atomic number
Electronegativity
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