And sucrose solution is not a compound but a mixture, so it is neither an electrolyte nor a non-electrolyte.

HCl and H2SO4 are strong electrolytes because they are completely ionized when dissolved in water.

Hydrochloric acid, usually an aqueous solution of hydrogen chloride, is a mixture, so it is neither an electrolyte nor a non-electrolyte.

But sulfuric acid can refer to both the solution and the substance H2SO4.

But sulfuric acid can refer to both a solution and a substance like H2SO4. ...... However, it is generally used as a compound, so it is a strong electrolyte.