Chemistry in Everyday Life Additional Practice Test

12th Standard Chemistry — Chemistry in Everyday Life: Additional Online Practice Test

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What is the therapeutic index of a drug defined as?

A.The ratio of the minimum curative dose to the maximum tolerated dose B.The ratio of the maximum tolerated dose to the minimum curative dose C.The product of the maximum tolerated dose and the minimum curative dose D.The difference between the maximum tolerated dose and the minimum curative dose

The word "drug" is derived from the French word "drogue", which means:

A.Dry herb B.Bitter root C.Healing potion D.Active chemical

Which of the following organic compounds is classified as a sugar substituent because it is metabolised without the influence of insulin?

A.Aspartame B.Alitame C.Sorbitol D.Saccharin

Why is common salt (sodium chloride) added to the reaction mixture during the preparation of soap?

A.To act as a catalyst for the saponification reaction B.To decrease the solubility of soap and help precipitate it out C.To adjust the pH of the soap to make it neutral D.To introduce sodium ions as the active cleansing agents

What is the IUPAC name for the cationic detergent n-hexadecyltrimethyl ammonium chloride?

A.N,N,N-trimethylhexadecan-1-aminium chloride B.Sodium lauryl sulphate C.Pentaerythrityl stearate D.3-hydroxy-2,2-bis(hydroxymethyl)propyl heptanoate

Which of the following compounds is classified as a non-ionic detergent?

A.Sodium lauryl sulphate B.n-hexadecyltrimethyl ammonium chloride C.Pentaerythrityl stearate D.Sodium dodecylbenzene sulphonate

What is the IUPAC name of the monomer used to prepare polyacrylonitrile (PAN)?

A.Prop-2-enenitrile B.Chloroethene C.Tetrafluoroethene D.Vinyl chloride

Which synthetic polymer is commonly used as a wool substitute for making blankets and sweaters?

A.Nylon-6,6 B.Polyacrylonitrile (PAN) C.Bakelite D.Melamine-formaldehyde resin

Which polymer represents a linear phenol-formaldehyde resin and is widely used in paints?

A.Soft bakelite B.Hard bakelite C.Novolac D.Melamine resin

Q10

Which of the following articles is typically manufactured using hard bakelite?

A.Soft binding glues B.Blankets and sweaters C.Varnishes and paints D.Combs and pens

Q11

Which monomers undergo condensation polymerisation to form melamine formaldehyde resin?

A.Melamine and formaldehyde B.Melamine and acetaldehyde C.Phenol and formaldehyde D.Urea and formaldehyde

Q12

Which elements are specifically mentioned in the textbook as being used as strong disinfectants?

A.Fluorine and bromine B.Chlorine and iodine C.Sodium and potassium D.Nitrogen and oxygen

Q13

Why are synthetic detergents considered superior to soaps for cleansing purposes?

A.They are completely biodegradable and non-polluting B.They can be used effectively in hard water and acidic conditions C.They are formulated from natural glycerides and oils D.They are less soluble in water, making them last longer

Q14

Which of the following is NOT a characteristic of an ideal drug at its therapeutic concentration?

A.Bio-compatible B.Bio-degradable C.Non-toxic D.Irreversible high toxicity

Q15

What is the specific treatment of a disease using chemical compounds or medicine called?

A.Chemotherapy B.Saponification C.Denaturation D.Polymerisation

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About this Chemistry in Everyday Life test

This free online practice test covers Chemistry in Everyday Life from the 12th Standard Chemistry (Samacheer Kalvi) syllabus. Choose the number of questions and an optional time limit, then answer and submit — everything is checked in your browser, with the correct answers and a worked explanation shown at the end. For the full solutions to every question in this set, see the solved MCQs page.

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