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Chemistry in Everyday Life WBCHSE Class 12 MCQ & Practice Questions

Practice Chemistry in Everyday Life MCQs for WBCHSE Class 12 Chemistry with answers, explanations, chapter revision and related ChemNexa mock tests.

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Chemistry in Everyday Life Revision Guide for WBCHSE Class 12 Chemistry

Chemistry in Everyday Life is part of WBCHSE Class 12 Chemistry preparation. A strong revision plan should combine concept review with exam-style questions so that definitions, relationships, calculations and exceptions are recalled accurately.

Use the sample MCQs on this page to check understanding, then attempt the related ChemNexa tests for broader practice. When an answer is wrong, review the explanation and return to the underlying concept before attempting another set.

Important Topics

  • Core definitions and principles
  • Important equations or relationships
  • Common applications and examples
  • Frequently confused concepts
  • Exam-style multiple-choice questions
  • Error review and targeted revision

Revision Tip

Create a one-page summary of trends, structures, reactions, exceptions and key terminology for Chemistry in Everyday Life, then test recall with mixed MCQs.

What to practise in Chemistry in Everyday Life

Concept Revision

Revise definitions, principles, equations, trends and core ideas from Chemistry in Everyday Life before attempting MCQs.

Exam-style MCQs

Use chapter-focused multiple-choice practice to improve accuracy, recall and application for WBCHSE Class 12 Chemistry.

Performance Practice

Attempt ChemNexa tests, review results and return to weak areas for another round of targeted revision.

Top 20 Chemistry in Everyday Life MCQs with Answers

These public questions are selected from the exact Chemistry in Everyday Life chapter, screened for topic relevance and deduplicated so repeated versions of the same MCQ are not shown publicly. Use them for quick revision, then sign in to attempt the complete test experience with more questions, results and performance review.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

1. A drug that reduces pain without causing loss of consciousness is called an:

  • A. Antacid
  • B. Tranquilizer
  • C. Analgesic
  • D. Antiseptic
Answer: C
Explanation: Analgesics relieve pain without producing unconsciousness.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

2. Aspirin is commonly classified as a:

  • A. Antiseptic
  • B. Non-narcotic analgesic
  • C. Antibiotic
  • D. Antacid
Answer: B
Explanation: Aspirin is an analgesic and anti-inflammatory drug.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

3. Paracetamol is widely used as:

  • A. Analgesic and antipyretic
  • B. Antibiotic only
  • C. Antacid
  • D. Disinfectant
Answer: A
Explanation: Paracetamol relieves pain and reduces fever.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

4. Drugs used to reduce fever are called:

  • A. Antacids
  • B. Antiseptics
  • C. Antihistamines
  • D. Antipyretics
Answer: D
Explanation: Antipyretics lower elevated body temperature.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

5. Substances used to neutralise excess stomach acid are:

  • A. Analgesics
  • B. Antiseptics
  • C. Antacids
  • D. Antibiotics
Answer: C
Explanation: Antacids neutralise excessive gastric acidity.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

6. Magnesium hydroxide is used as an:

  • A. Tranquilizer
  • B. Antacid
  • C. Antibiotic
  • D. Antihistamine
Answer: B
Explanation: Mg(OH)2 neutralises excess gastric HCl.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

7. Sodium hydrogen carbonate can act as an:

  • A. Antacid
  • B. Antibiotic
  • C. Antiseptic only
  • D. Sedative
Answer: A
Explanation: NaHCO3 neutralises stomach acid, though systemic effects limit excessive use.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

8. Histamine is involved prominently in:

  • A. Polymerisation
  • B. Soap formation
  • C. Nuclear decay
  • D. Allergic responses
Answer: D
Explanation: Histamine mediates several symptoms of allergy.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

9. Drugs that counter the effects of histamine are called:

  • A. Antacids
  • B. Analgesics
  • C. Antihistamines
  • D. Antipyretics
Answer: C
Explanation: Antihistamines block histamine action at receptors.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

10. A tranquilizer primarily affects the:

  • A. Acid-base indicator
  • B. Central nervous system
  • C. Polymer chain
  • D. Detergent micelle
Answer: B
Explanation: Tranquilizers act on the CNS to reduce anxiety or tension.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

11. Antibiotics are substances that:

  • A. Inhibit or destroy microorganisms at suitable concentrations
  • B. Always neutralise acids
  • C. Only relieve pain
  • D. Only remove grease
Answer: A
Explanation: Antibiotics act against susceptible microorganisms.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

12. Penicillin is an example of an:

  • A. Antacid
  • B. Artificial sweetener
  • C. Detergent
  • D. Antibiotic
Answer: D
Explanation: Penicillin is a beta-lactam antibiotic.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

13. A broad-spectrum antibiotic acts against:

  • A. Only stomach acid
  • B. Only pain receptors
  • C. A wide range of microorganisms
  • D. Only one specific virus
Answer: C
Explanation: Broad-spectrum antibiotics are active against multiple bacterial groups.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

14. Antiseptics are applied mainly to:

  • A. Metal ores
  • B. Living tissues
  • C. Floors only
  • D. Industrial boilers
Answer: B
Explanation: Antiseptics inhibit microbial growth on living tissue.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

15. Disinfectants are generally used on:

  • A. Non-living surfaces
  • B. Eyes and wounds routinely
  • C. Food as nutrients
  • D. Bloodstream
Answer: A
Explanation: Disinfectants are intended for inanimate objects and surfaces.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

16. The key difference between an antiseptic and a disinfectant is mainly their:

  • A. Atomic number
  • B. Molecular mass only
  • C. Colour
  • D. Intended site/concentration of use
Answer: D
Explanation: Antiseptics are suitable for living tissue; disinfectants are used on inanimate surfaces.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

17. Dettol is commonly used as an:

  • A. Analgesic
  • B. Sweetener
  • C. Antiseptic/disinfectant formulation
  • D. Antacid
Answer: C
Explanation: Dettol formulations are used for antimicrobial purposes.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

18. Tincture of iodine has traditionally been used as an:

  • A. Artificial sweetener
  • B. Antiseptic
  • C. Antacid
  • D. Antibiotic tablet
Answer: B
Explanation: Iodine solutions have antiseptic action.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

19. Chemical substances added to food to prevent spoilage are called:

  • A. Preservatives
  • B. Analgesics
  • C. Tranquilizers
  • D. Antacids
Answer: A
Explanation: Food preservatives slow microbial or chemical deterioration.

WBCHSE Class 12 Chemistry · Chemistry in Everyday Life · Very Hard

20. Sodium benzoate is commonly used as a:

  • A. Analgesic
  • B. Antibiotic
  • C. Soap
  • D. Food preservative
Answer: D
Explanation: Sodium benzoate inhibits spoilage in suitable acidic foods.

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Chemistry in Everyday Life Practice Tests

Chemistry in Everyday Life Frequently Asked Questions

How should I prepare Chemistry in Everyday Life for WBCHSE Class 12 Chemistry?

Revise the core concepts first, make a short list of important relationships or exceptions, and then solve chapter-focused MCQs while reviewing every error.

How can ChemNexa help with Chemistry in Everyday Life practice?

This page provides public sample questions and links to published ChemNexa tests so you can combine quick revision with structured practice.

What should I do after getting an MCQ wrong?

Identify whether the mistake came from a concept gap, calculation, unit, sign, wording or memory error, review that point, and then attempt a similar question again.

Continue with another chapter to build connected concepts and strengthen your overall Chemistry preparation.

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