Q: copper sulphate is dissociated into Cu⁺⁺ and SO₄¯¯ ions when it is
(a) : in solution form
(b) : in solid form
(c) : in gaseous form
(d) : both A and C
(e) : none of these
Answer: in solution form
Explanation:
Explanation:
Q: In a neutral atom, the number of protons are always
(a) : Greater than number of neutrons
(b) : Smaller than the number of electron
(c) : Equal to the number of neutrons
(d) : Equal to the number of electrons
(e) : Greater than the number of electrons
Answer: Equal to the number of electrons
Explanation:
Explanation: