1.

Write the chemical equations involved in the following chemical reactions :(i) White washing.(ii) Black and white photography.

Answer»

(i) In white washing, quicklime reacts with water to form slaked lime.

CaO+H2 Ca(OH)2+Heat

CaO+H2O-Quick lime 

Ca(OH) -Slaked lime

(ii) Silver bromide,  when exposed to light decomposes to silver and bromine.

2AgBr(s) +sunlight → 2Ag(s)+Br2(g)

2AgBr(s)-Silver bromide

2Ag(s)-Silver

Br2(g)- Bromide



Discussion

No Comment Found