Day 157: CBSE Class 10 Science

1. A.
   $\mathrm{2\,FeSO_4 \longrightarrow Fe_2O_3 + SO_2 + SO_3}$
2. B.
   $\mathrm{CaCO_3 \longrightarrow CaO + CO_2}$
3. C.
   $\mathrm{2\,AgCl \longrightarrow 2\,Ag + Cl_2}$
4. D.
   $\mathrm{Pb(NO_3)_2 \longrightarrow 2\,PbO + 4\,NO_2 + O_2}$

Tap an option to check your answer.

1. A.
   Both (A) and (R) are true and (R) is the correct explanation of (A).
2. B.
   Both (A) and (R) are true and (R) is not correct explanation of (A).
3. C.
   (A) is true, but (R) is false.
4. D.
   (A) is false, but (R) is true.

Tap an option to check your answer.