Multiple choice Which of the following compounds is used as an acousto-optic material? Tellurium dioxide Tellurium hexafluoride Tellurium trioxide Telluroxide Reveal answer Fill a bubble to check yourself A Correct answer Explanation Tellurium dioxide is highly insoluble in water and soluble in concentrated sulphuric acid. It is also incompatible with strong acids and strong oxidizing agents. It is an amphoteric. It is used as an acousto-optic material.