Phenolphthalein in acidic solution is
red
orange
colourless
yellow
Correct answer is C
No explanation has been provided for this answer.
4.0 moles of Cl-
3.0 moles of Na+
2.5 moles of Cu2+
2.0 moles of Al3+
Correct answer is D
No explanation has been provided for this answer.
Which of the following equimolar solutions will have the highest pH?
CH3COOHa
NaOH
HCl
NH4OH
Correct answer is B
No explanation has been provided for this answer.
In the production of soap, concentrated sodium chloride solution is added to
Increase the solubility of soap
Decrease the solubility of the soap
Saponify the soap
Emulsify the soap
Correct answer is B
No explanation has been provided for this answer.
Alkanol + Alkanoic ↔ Ester + Water
The reverse reaction above is known as
Hydrolysis
Saponification
Hydration
Fermentation
Correct answer is A
No explanation has been provided for this answer.