Question : Which of the following is also known as Carbolic Acid?
Option 1: Phenol
Option 2: Hydroxide
Option 3: Sulphuric Acid
Option 4: Ethanol
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Correct Answer: Phenol
Solution : The correct option is Phenol.
Carbolic acid, also known as phenol (C6H5OH), is a crystallised white substance with a strong aromatic smell. It is a chemical substance that has a variety of industrial uses, including as an antiseptic, a disinfectant, a chemical intermediate, a reagent in laboratories, an industrial process, and a wood preservative.
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Question : Which is known as carbolic acid?
Option 2: Ethanol
Option 3: Acetic acid
Option 4: Oxalic acid
Question : A container contains a 20 L mixture in which there is 10% sulphuric acid. Find the quantity of sulphuric acid to be added to it to make the solution contain 25% sulphuric acid.
Option 1: 2 L
Option 2: 3 L
Option 3: 4 L
Option 4: 5 L
Question : Which one of the following chemicals is associated with muscle fatigue ?
Option 1: Uric acid
Option 2: Acetic acid
Option 3: Pyruvic acid
Option 4: Lactic acid
Question : Ethanol containing 5% water is known as :
Option 1: Dilute alcohol
Option 2: Power alcohol
Option 3: Rectified spirit
Option 4: Absolute alcohol
Question : Pectin, which is responsible for the firmness and softness of fruits is mainly composed of which acid unit?
Option 1: Aspartic acid
Option 2: D-Galacturonic acid
Option 3: Lactic acid
Option 4: Glutamic acid
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