🛠️ JEE🧪 Chemistry

Chemistry in Everyday Life

2 solved JEE Chemistry previous year questions on Chemistry in Everyday Life, each with the correct answer and a full explanation.

Which one of the following statements is not true?.

aAmpicillin is a natural antibiotic.

bAspirin is both analgesic and antipyretic.

cSulphadiazine is a synthetic antibacterial drug.

dSome disinfectants can be used as antiseptics

✓ Correct answer: a) Ampicillin is a natural antibiotic.

ExplanationAmpicillin is a semi-synthetic antibiotic, meaning it is derived from a natural substance but has been chemically modified to improve its properties.

Given below are two statements: Statement-I: Noradrenaline is a neurotransmitter. Statement-II: Low level of noradrenaline is not the cause of depression in human. In the light of the above statements, choose the correct answer from the options given below [JEE Main 2023, 24 Jan (Shift 1)]

aStatement-I is correct but Statement-II is incorrect

bStatement-I is incorrect but Statement-II is correct

cBoth Statement-I and Statement-II are correct

dBoth Statement-I and Statement-II are incorrect

✓ Correct answer: a) Statement-I is correct but Statement-II is incorrect

ExplanationNoradrenaline play major role in the 'inner world' of the body by the brain.Low level of Noradrenaline causes depression, lack of concentration.

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