Which of the following hydroxides will readily dissolved in water?
Cu(OH)2
NaOH
Pb(OH)2
Zn(OH)2
Correct answer is B
No explanation has been provided for this answer.
Which of the following compounds is not a double salt?
Zn(OH)NO3
KAI(SO4)2
KCr(SO4)2
(NH4)2Fe(SO4)2
Correct answer is A
No explanation has been provided for this answer.
Which of the following dilute acids does not react with metals to liberate hydrogen?
CH3COOH(aq)
HCI(aq)
H2SO4(aq)
HNO3(aq)
Correct answer is D
No explanation has been provided for this answer.
Salts that contain water of crystallization are said to be
anhydrous
deliquescent
efflorescent
hydrated
Correct answer is D
No explanation has been provided for this answer.
Ranging poles used in farm surveying have characteristics
Green and white bands
Blue and white bands
Red and white bands
Black and red bands
Correct answer is C
No explanation has been provided for this answer.