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Boric acid cannot be used:

Correct answer: C. In soda bottles

  • A. As antiseptic in medicine
  • B. For washing eyes
  • C. In soda bottles
  • D. For enamels and glazes

Explanation

Uses of Boric Acid1. Boric acid is used in medicines as an antiseptic, e.g. dusting powder, boricointment and boric solution is used as an eye-wash.2. It is used in pottery as a glaze because borate glazes are more fusible thansilicate glazes and possess a higher coefficient of expansion.3. It is also used in candle industry for stiffening of wicks.

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About s-Block and p-Block Elements

The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.

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