(CuNH4)3+ ions
(CuCI4)2-ions
[Cu(OH)4]2- ions
Cu(H2-O)42+ IONS
[cU(NH3)4] ions
Correct answer is E
No explanation has been provided for this answer.
Aqueous sodium trioxocarbonate (IV) solution is alkaline because
acid from which it is formed is strong
sodium is an alkali metal
sodium trioxocarbonate (IV) is decomposed by water
sodium trioxocarbonate (lV) is stable to heat
sodium triocarbonate (IV) is hydrolysed in water
Correct answer is E
No explanation has been provided for this answer.
Cu
Zn
Al
Pb
Fe
Correct answer is C
No explanation has been provided for this answer.
How many isomers can be obtained from C4H10?
0
1
2
3
4
Correct answer is C
No explanation has been provided for this answer.
Which of the following is not true of the rusting of iron?
Rusting is a reduction process
Rusting of iron takes place in the presence of oxygen and moisture
the rust formed is reddish brown
the major constituent of rust is hydrated iron (lll) oxide
rusting is similar to burning
Correct answer is A
No explanation has been provided for this answer.