A) NiSO4(H2O)7 B) NiSO4 C) NiSO4(H2O)6 D) Ni(SO4)2
A) Turquoise B) Blue C) Yellow D) White
A) 10,000 B) 40,000 C) 5,000 D) 100,000
A) 0.0 and 30.7 °C B) 50.0 and 70.0 °C C) 20.0 and 40.0 °C D) 30.7 and 53.8 °C
A) Turquoise B) Blue C) Yellow D) Green
A) Above 100 °C B) Above 330 °C C) Above 640 °C D) Above 1000 °C
A) 640 °C B) 53.8 °C C) 1210 °C D) 330 °C
A) Reacting with sulfuric acid B) Exposure to air C) Cooling the heptahydrate D) Heating the hydrates above 330 °C
A) Ferromagnetic B) Non-magnetic C) Paramagnetic D) Diamagnetic
A) Nickel sulfate B) Nickel carbonate C) Nickel oxide D) Ammonium sulfate
A) Laboratory synthesis from iron B) Atmospheric deposition C) By-product of copper refining D) Natural mining of retgersite
A) Nickel heptahydrate B) Nickel carbonate C) Nickel ammonia complex D) Nickel oxide
A) Morenosite B) Nickelhexahydrite C) Retgersite D) Dwornikite
A) Tetragonal hexahydrate B) Dwornikite C) Nickelhexahydrite D) Morenosite
A) Nickelhexahydrite B) Morenosite C) Retgersite D) Dwornikite
A) Morenosite B) Dwornikite C) Retgersite D) Nickelhexahydrite
A) 50.0% B) 10.5% C) 19.0% D) 5.0%
A) Non-toxic substance B) Human carcinogen C) Inert compound D) Developmental toxin
A) [Ni(H2NCH2CH2NH2)3]SO4 B) [Ni(H2O)6]2+ C) Ni(NH4)2(SO4)2 D) [Ni(NH3)6]SO4 |