<P> Calcium hypochlorite is commonly used to sanitize public swimming pools and disinfect drinking water . Generally the commercial substance is sold with a purity of a 68% (with other additives and contaminants varying based upon the product's intended purpose). For instance as a swimming pool chemical it is often mixed with cyanuric acid stabilizers and anti-scaling agents (in order to reduce the loss of chlorine from ultraviolet radiation and to prevent calcium hardening). Calcium hypochlorite is also used in kitchens to disinfect surfaces and equipment . Other common uses include bathroom cleansers, household disinfectant sprays, algaecides, herbicides, and laundry detergents . </P> <P> Calcium hypochlorite is a general oxidizing agent and therefore finds some use in organic chemistry . For instance the compound is used to cleave glycols, α - hydroxy carboxylic acids and keto acids to yield fragmented aldehydes or carboxylic acids . Calcium hypochlorite can also be used in the haloform reaction to manufacture chloroform . </P> <P> Calcium hypochlorite is produced industrially by treating lime (Ca (OH)) with chlorine gas . The reaction can be conducted in stages to give various compositions, each with different concentration of calcium hypochlorite, together with unconverted lime and calcium chloride . The full conversion is shown </P> <Dl> <Dd> 2 Cl 2 + 2 Ca (OH) 2 → Ca (OCl) 2 + CaCl 2 + 2 H 2O </Dd> </Dl>

What is the product of the combination reaction of calcium with chlorine gas
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