אֶת־מִשְׁפָּטַ֧י תַּעֲשׂ֛וּ וְאֶת־חֻקֹּתַ֥י תִּשְׁמְר֖וּ לָלֶ֣כֶת בָּהֶ֑ם אֲנִ֖י יְהוָ֥ה אֱלֹהֵיכֶֽם׃
Shenei Luchot HaBerit
Rashi tells us in Genesis 26,5, that the term חק is used in the Torah when the legislation is such that it offers Satan an opportunity to challenge its logic. He quotes the prohibition of eating pork as an additional example.