MCQs on Zinc
by Yogi P - May 5, 2025
MCQs on Zinc
Q 1: What is the chemical symbol for zinc?
- A Zc
- B Zi
- C Zn
- D Zm
Answer: (C) Zn
Q 2: When was zinc first discovered as a metal?
- A In ancient times by the Egyptians.
- B In the 18th century by Andreas Sigismund Marggraf.
- C In the 15th century by Leonardo da Vinci.
- D In the 19th century by Marie Curie.
Answer: (A) In ancient times by the Egyptians.
Q 3: Which of the following best describes the physical state of zinc at room temperature?
- A Liquid
- B Gas
- C Solid
- D Plasma
Answer: (C) Solid
Q 5: In what form is zinc often used in roofing?
- A Zinc gas
- B Zinc liquid
- C Zinc alloy
- D Zinc as a protective coating
Answer: (D) Zinc as a protective coating
Q 6: Which of the following is a common use of zinc in the industrial setting?
- A Alloys with aluminum to create jewelry.
- B Nutritional supplements for humans.
- C Roofing material due to its corrosion resistance.
- D As a primary fuel source for engines.
Answer: (C) Roofing material due to its corrosion resistance.
Q 7: What is the primary role of zinc in nutritional supplements?
- A To cause weight loss.
- B To improve skin health and boost the immune system.
- C To act as a flavor enhancer.
- D To provide energy.
Answer: (B) To improve skin health and boost the immune system.
Q 8: What safety precautions are recommended when handling zinc?
- A No precautions are necessary when working with zinc.
- B Wear protective equipment like respiratory and eye protection.
- C Keep zinc exposed to moisture to prevent corrosion.
- D Handle zinc without any protective gear.
Answer: (B) Wear protective equipment like respiratory and eye protection.
Q 9: What is the common application of zinc-carbon batteries?
- A Powering smartphones and laptops.
- B Providing electricity to homes.
- C Found in many household and industrial items.
- D Used in space exploration.
Answer: (C) Found in many household and industrial items.
Q 10: What did Andreas Sigismund Marggraf discover in 1746?
- A The secret to eternal life.
- B A new planet in our solar system.
- C A unique metal that was identified as zinc.
- D A cure for the common cold.
Answer: (C) A unique metal that was identified as zinc.