Water Wonders Quiz

Froggy Jumps

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Hydrogen bonds & More

sameh Ali

Saudi Arabia

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Water Wonders Quiz


Froggy Jumps Water Wonders QuizVersion en ligne Hydrogen bonds & More par sameh Ali 1 Which bond mainly gives water its high boiling point and surface tension? a Covalent bonds b Hydrogen bonds c Ionic bonds 2 What causes water to bead on a surface due to cohesion? a Surface tension b Viscosity c Adhesion 3 A molecule at the water surface has fewer what than in the bulk? a Hydrogen bonds b Electrons c Ions 4 Primary function of a surfactant at the air–water interface? a Lower surface tension b Increase viscosity c Increase boiling point 5 On a polar substrate, water wets the surface more readily. True or false? a Depends on temperature b False c True 6 As surfactant concentration rises at the interface, what happens to surface tension? a It decreases b It increases c It stays the same 7 Which has the higher boiling point due to hydrogen bonding, water or ammonia? a Water b Ammonia c Both equal 8 What unusual property does ice have compared to liquid water? a Ice is more dense b Ice conducts electricity better c Ice is less dense and floats 9 Liquid water is densest at about which temperature? a 100°C b 0°C c 4°C 10 What largely causes the hexagonal snowflake structure? a Hydrogen bonding network b Temperature alone c Surface tension alone