CBSE 2025 · Region 3 · Set 2 · Q4 · 1 mark

Study the following cases :

(i)

$\displaystyle \mathrm{CuSO}_{4}+\mathrm{Mg} \longrightarrow$

(ii)

$\displaystyle \mathrm{FeSO}_{4}+\mathrm{Pb} \longrightarrow$

(iii)

$\displaystyle \mathrm{CaSO}_{4}+\mathrm{Al} \longrightarrow$

(iv)

$\displaystyle \mathrm{ZnSO}_{4}+\mathrm{Ca} \longrightarrow$ The case/cases in which new product(s) will form is/are :

CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.