The chemical formula of calcium hydroxide is _________.
Options:
A .  
CaOH2
B .  
Ca(OH)2
C .  
Ca2(OH)3
D .  
CaO2
Answer: Option B : B Calcium hydroxide consist of calcium ion and hydroxide ion i.e. Ca2+ and (OH)−, which have a charge of +2 and -1 respectively. SymbolCaOHCharge+2-1 On cross-multiplication and balancing the charge, we get the formula as Ca(OH)2.
Submit Your Solution hear: