Assertion: salt | /r/MadeOf | calcium silicate
Facets:
value: to prevent caking
type: PURPOSE
value: to prevent clumps
type: PURPOSE
value: often
type: TEMPORAL
Source sentences:
text: Table salt also often contains an anticaking agent such as calcium silicate to prevent clumps from forming.
text: Table salt can be purchased with iodine ("iodized") or without ("plain"), but it contains calcium silicate to prevent caking (see additives, below).