Multiple choice

Which among the following is a component of television picture tube glass ?

  1. Strontium iodide

  2. Strontium nitrate

  3. Strontium nitride

  4. Strontium oxide
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Strontium oxide or strontia, SrO, is formed when strontium reacts with oxygen. Burning strontium in air results in a mixture of strontium oxide and strontium nitride. About 8% by weight of television picture tube glass is strontium oxide, which has been the major use of strontium since 1970.

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