Chapter-13 Chemistry in Everyday Life — Online MCQ Test
SCIENCE · Samacheer Kalvi 9th · Tamil Nadu State Board
Practice Chapter-13 Chemistry in Everyday Life with a free chapter-wise online MCQ test.
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.
Chapter-13 Chemistry in Everyday Life — Important Questions & Answers
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.
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.
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.
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.
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.
Medicines are a special group of chemicals used in treatment, whereas chemicals in everyday life also include fuels, soaps, antiseptics, and cleaning agents.