Basic Chemistry Test Online

Maan AliLast Updated: May 13, 2026
Test Name Basic Chemistry Test Online
Topic Everyday Science
Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: Everyday Science Test
General Knowledge
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Chemistry is the branch of science that studies matter, its composition, properties, and chemical reactions. It explains how substances interact and change in everyday life and industrial processes. From atoms and molecules to acids, bases, and compounds, chemistry forms the foundation of modern science and technology. This test covers basic chemistry concepts for beginners and students.

 Basic Chemistry Practice Mcqs Online

1. Which gas is used in refrigerators as a coolant?

2. Which element is used in thermometers and barometers?

3. Which element is used in making batteries?

4. Which gas is known as laughing gas?

5. Which is the smallest particle of an element that retains its properties?

6. Which is the chemical formula of ammonia?

7. Which is the heaviest naturally occurring element?

8. Which is the pH of pure water at room temperature?

9. Which is the lightest gas known?

10. Which gas is used in fire extinguishers?

11. Which is the lightest element in the periodic table?

12. Which gas is known as “poisonous gas” emitted from vehicles?

13. Which gas turns lime water milky?

14. Which is the main component of natural gas?

15. Which gas is produced during photosynthesis?

16. Which is the formula of common baking soda?

17. Which element is the main component of diamonds?

18. Which acid is present in vinegar?

19. Which is the chemical formula of table salt?

20. Which chemical is known as caustic soda?

21. Which gas is essential for respiration in humans?

22. Which acid is known as oil of vitriol?

23. Which is the universal solvent?

24. Which element is commonly used in antiseptic solutions?

25. Which element is essential for strong bones and teeth?

26. Which chemical is commonly known as washing soda?

27. Which element is used to galvanize iron to prevent rusting?

28. Which element is used in making nuclear fuel rods?

29. Which is the chemical formula of water?

30. Which gas is responsible for acid rain?

31. Which element is liquid in car batteries?

32. Which element is used in making stainless steel along with iron?

33. Which element is used in pencils and lubricants?

34. Which is the symbol of gold in chemistry?

35. Which is the most abundant gas in Earth’s atmosphere?

36. Which gas is used for inflating balloons and airships?

37. Which is the most reactive metal?

38. Which element is used in pencils?

39. Which element is used in making light bulbs?

40. Which metal is liquid at room temperature?

41. Which element is used for disinfecting drinking water?

42. Which is the main element of organic compounds?

43. Which element is essential for hemoglobin formation in blood?

44. Which is the most abundant element in the Earth’s crust?

45. Which is the formula of carbon dioxide?

46. Which acid is present in the stomach to aid digestion?

47. Which element is used in producing matchsticks and fertilizers?


 

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Maan AliLast Updated: May 13, 2026

Maan Ali

Hey there! I'm Maan Ali, your online test prep pal. Join me in the adventure of acing exams with ease. I'll share tricks, practice tests, and all you need to rock your studies. Let's make learning fun and success a sure thing!
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