Teaching REET Mock Test Series 2024-25 Level 1 & 2 (Hindi-Sanskrit-English) General Science Chemistry Chemical Reaction
ନିମ୍ନଲିଖିତ ମଧ୍ୟରୁ କେଉଁଟି ଦ୍ୱି ବିସ୍ଥାପନ ପ୍ରତିକ୍ରିୟା ନୁହେଁ ?
1
BaCl2 + H2SO4 → BaSO4 + 2HCl
2
Mg3N2 + 6H2O → 3Mg(OH)2 + 2NH3
3
CuSO4 + H2S → CuS + H2SO4
4
NaOH + HCl → NaCl + H2O