With which solutions did the bulb glow? (b) Which solutions are electrical conductors?

Question

Take aqueous solution of sodium chloride, copper sulphate, glucose, urea, dil.H₂SO₄ and dil. NaOH in a beaker and test the electrical conductivity of the solutions. Answer the given below questions.

(a) With which solutions did the bulb glow?

(b) Which solutions are electrical conductors?

Answer 1

(a) Solutions with which bulb glows: Aqueous solution of NaCl, CuSO₄ , H₂SO₄ and NaOH.

(b) Solutions which are electrical conductors: NaCl, CuSO₄ , H₂SO₄ and NaOH.