Which of the following is used as an antiseptic to sterilise wounds and syringes in hospitals?

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RRB JE Previous Paper 10 (Held On: 25 May 2019 Shift 2)
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  1. Methanol
  2. Propanol
  3. Ethyl alcohol
  4. Butanol

Answer (Detailed Solution Below)

Option 3 : Ethyl alcohol
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Option 3 is correct, i.e. Ethyl alcohol.

 Ethyl alcohol:

●      Ethanol is commonly known as Ethyl Alcohol.

●      Its chemical formula is C2H5OH.

●      Ethyl alcohol is used as an antiseptic to sterilise wounds and syringes in hospitals.

●      Ethanol is a very good solvent. Many compounds that are insoluble in water are soluble in Ethyl Alcohol.

●      It is used in many medicines, such as tincture iodine, cough syrups, etc.

●      The melting point of Ethanol is – 114° C and the boiling point is 78.37° C, which is very low with respect to water.

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