Chapter Exam

Chapter-13 Chemistry in Everyday Life — Online MCQ Test

Q: Which of the following is an example of a medicine used to reduce acidity in the stomach?

Answer: A. Antacid — Antacids are medicines that neutralize excess acid in the stomach and give relief from acidity.

Q: Which fuel is commonly used in household gas stoves?

Answer: B. LPG — Liquefied Petroleum Gas (LPG) is widely used as a domestic fuel because it burns easily and gives a clean flame.

Q: Why are antacids taken during indigestion?

Answer: B. To neutralize excess stomach acid — Antacids are weak bases that neutralize excess acid and reduce discomfort caused by acidity.

Q: Which option correctly matches the medicine with its use?

Answer: B. Antiseptic – kills germs on skin or wounds — Antiseptics are used on skin or wounds to kill or prevent the growth of germs.

SCIENCE · Samacheer Kalvi 9th · Tamil Nadu State Board

Practice Chapter-13 Chemistry in Everyday Life with a free chapter-wise online MCQ test for Tamil Nadu State Board Samacheer Kalvi 9th SCIENCE. This chapter covers: Description Explains the uses of medicines fuels household chemicals and their importance Keywords Medicine Combustion Antacid Fuels Chemicals. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter-13 Chemistry in Everyday Life — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board Samacheer Kalvi 9th SCIENCE — Chapter-13 Chemistry in Everyday Life, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following is an example of a medicine used to reduce acidity in the stomach?

A. Antacid ✓
B. Antibiotic
C. Analgesic
D. Antiseptic

Answer: A. Antacid
Antacids are medicines that neutralize excess acid in the stomach and give relief from acidity.

Which fuel is commonly used in household gas stoves?

A. Coal
B. LPG ✓
C. Petrol
D. Diesel

Answer: B. LPG
Liquefied Petroleum Gas (LPG) is widely used as a domestic fuel because it burns easily and gives a clean flame.

Why are antacids taken during indigestion?

A. To increase stomach acid
B. To neutralize excess stomach acid ✓
C. To digest proteins directly
D. To cure fever

Answer: B. To neutralize excess stomach acid
Antacids are weak bases that neutralize excess acid and reduce discomfort caused by acidity.

Which option correctly matches the medicine with its use?

A. Antibiotic – reduces fever instantly
B. Antiseptic – kills germs on skin or wounds ✓
C. Antacid – cures cough
D. Analgesic – increases digestion

Answer: B. Antiseptic – kills germs on skin or wounds
Antiseptics are used on skin or wounds to kill or prevent the growth of germs.

A student says, 'All medicines are chemicals, but not all chemicals are medicines.' Which statement best supports this?

A. Every chemical is used only to cure disease
B. Medicines are specific chemicals used for treatment, while many chemicals are used for cleaning, fuel, or other purposes ✓
C. Chemicals cannot be used in daily life
D. Only acids are medicines

Answer: B. Medicines are specific chemicals used for treatment, while many chemicals are used for cleaning, fuel, or other purposes
Medicines are a special group of chemicals used in treatment, whereas chemicals in everyday life also include fuels, soaps, antiseptics, and cleaning agents.

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