Chapter Exam

Chapter-15 Chemistry in Everyday Life — Online MCQ Test

Q: Which of the following is commonly used as an antacid?

Answer: B. Magnesium hydroxide — Magnesium hydroxide, also called milk of magnesia, neutralizes excess stomach acid and is used as an antacid.

Q: What is the main purpose of an antacid?

Answer: B. To neutralize excess acid in the stomach — Antacids work by neutralizing excess hydrochloric acid in the stomach, giving relief from acidity.

Q: A person feels burning sensation in the stomach after eating spicy food. Which medicine category can give quick relief?

Answer: A. Antacid — Antacids are used to neutralize excess stomach acid and reduce acidity-related discomfort.

SCIENCE · Samacheer Kalvi 8th · Tamil Nadu State Board

Practice Chapter-15 Chemistry in Everyday Life with a free chapter-wise online MCQ test for Tamil Nadu State Board Samacheer Kalvi 8th SCIENCE. This chapter covers: medicine combustion antacid Explains the applications of chemistry in medicines fuels and household chemicals. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter-15 Chemistry in Everyday Life — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board Samacheer Kalvi 8th SCIENCE — Chapter-15 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 commonly used as an antacid?

A. Sodium chloride
B. Magnesium hydroxide ✓
C. Calcium carbonate
D. Copper sulphate

Answer: B. Magnesium hydroxide
Magnesium hydroxide, also called milk of magnesia, neutralizes excess stomach acid and is used as an antacid.

What is the main purpose of an antacid?

A. To increase body temperature
B. To neutralize excess acid in the stomach ✓
C. To cure bacterial infections directly
D. To dissolve food quickly

Answer: B. To neutralize excess acid in the stomach
Antacids work by neutralizing excess hydrochloric acid in the stomach, giving relief from acidity.

A person feels burning sensation in the stomach after eating spicy food. Which medicine category can give quick relief?

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

Answer: A. Antacid
Antacids are used to neutralize excess stomach acid and reduce acidity-related discomfort.

A student says, 'All medicines are safe if taken in any amount.' Which is the best response?

A. True, medicines are always safe
B. False, medicines must be taken in the correct dose ✓
C. True, because more medicine works faster
D. False, because medicines cannot treat diseases

Answer: B. False, medicines must be taken in the correct dose
Medicines can be harmful if taken in the wrong dose, so they should always be used carefully.

Which option best explains why antacids should not be taken unnecessarily?

A. They may increase stomach acid
B. They may disturb the normal acid balance in the stomach ✓
C. They are only for fever
D. They are the same as antibiotics

Answer: B. They may disturb the normal acid balance in the stomach
Antacids are meant for excessive acidity. Unnecessary use may disturb the normal working of the digestive system.

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Chapter-14 Acids and Bases

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Chapter-16 Microorganisms