Assertion: baking powder's cornstarch | /r/CapableOf | prevent the mixture
Facets:
Source sentences:
text: Baking powder is made from a combination of baking soda and an acid–typically cream of tartar–and an inert stabilizer, like cornstarch, which prevents the mixture from reacting.
text: The cornstarch is an aniticaking agent and prevents the mixture from clumping up.