Medium SALU Entry Test Past Papers and Syllabus SALU ENTRY TEST PAST PAPERS AND SYLLABUS FPSC Question When water freezes its density _____? A Decreases B Increases C Remains constant D None of these Submit Answer Try Again Explanation Explanation When water freezes, it forms an open hexagonal structure due to hydrogen bonding. This structure makes ice less dense than liquid water , which is why ice floats on water. Show Explanation Previous MCQ All MCQs Next MCQ More MCQs in SALU Entry Test Past Papers and Syllabus Medium How many idols in Kaaba during the era of Kufare Quresh? How many idols in Kaaba during the era of Kufare Quresh? Medium What was the religion of majority of Arabs before Islam? What was the religion of majority of Arabs before Islam? Medium How many years did it take for the complete revelation of the Quran? How many years did it take for the complete revelation of the Quran? Medium What is the meaning of Hijr-e-Aswad? What is the meaning of Hijr-e-Aswad?