Which of the following is typical transition metal ?
Which of the following is typical transition metal ?
A. Sc
B. Y
C. Cd
D. Co
Similar Posts
The compounds in which water molecules are added are called_______________?
The compounds in which water molecules are added are called_______________?A. Hydrated ions
B. double salts
C. hydrates
D. complexesAldehyde and ketone have same general formula for homologous series_________________?
Aldehyde and ketone have same general formula for homologous series_________________?A. CnH2nO2n
B. CnH2n
C. CnH2nO
D. CnH2nOn+1Which one has the lowest density at room temperature ?
Which one has the lowest density at room temperature ?A. Ne
B. N2
C. NH3
D. COThe Latin word formica means ant. The name formic acid is derived from this Latin word because__________?
The Latin word formica means ant. The name formic acid is derived from this Latin word because__________?A. this acid, in ancient times, was used to eliminate ant-hills
B. this corrosive acid is secreted by ants to drive away their enemies
C. this acid was first obtained by the distillation of ants
D. ants are attracted by the odour of this acidThe O-O linkage is present in__________?
The O-O linkage is present in__________?A. H2S2O3
B.H2SO8
C. H2S4O6
D. H2 S2 O6Aqueous solution of borax above 62°C gives crystals of________________?
Aqueous solution of borax above 62°C gives crystals of________________?A. Na2B4O7.4H2O
B. Na2B4O7.5H2O
C. Na2B4O7.2H2O
D. Na2B4O7.10H2O