Global MCQ Practice

🌐 Total MCQ
🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books

Chemistry Quiz 8 (60 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The method of concentrating the ore which makes use of the difference in density between ore and impurities is called
2. It is the properties that can be measured or observed without changing the materials chemical composition
3. Zone refining is used for the purification of
4. Subatomic particles that are neutral in charge
5. When ionic compounds are named, the name of a monatomic anion will end in which of the following suffixes?
6. Homo nuclear molecules contain?
7. Which two elements do all organic compounds contain?
8. Choose one ionic compound from the following set of compounds
9. The most extensive, commercially useful source of thorium as monazite sand occurs in India at
10. Four most common elements that make up all living things are carbon, hydrogen,
11. Which of the following is the strongest acid?
12. What is the empirical formula of a compound that is 40% sulfur and 60% oxygen by weight?
13. An industrially important element contains 26 electrons and rusts in the presence of air and moisture. Identify the element.
14. ..... refer to the ingredients or constituents.
15. Which of the following compounds have the same empirical formula?
16. Which charged particle is positive?
17. Biogas majorly contains?
18. An atom that has a charge after losing or gaining electrons is called
19. Which substance would take a long time to cool off?
20. When acids and bases are added together, they produce
21. A neutral atom that contains 11 protons, also contains ..... electrons
22. A(n) ..... is an ion with a positive (+) charge.
23. Protons are the determination for the .....
24. The chemical used as a fixer in photography is?
25. The atomic number is the number of ..... in the nucleus.
26. It is the temperature at which the vapor pressure is equal to the external or atmospheric pressure.
27. Water climbing from the roots to the top of a plant through small tubes. The water sticks to itself (cohesion) and to the side of the tube (adhesion).
28. Deoxyribonucleic acid is also known as
29. Have solute particles big enough to settle at the bottom of the mixture can be alternately filtered to separate particles by filtration
30. Elements in the same group
31. Modern Periodic Table me elements ka base kya hai
32. The strongest types of bonds
33. Which have maximum number of isotopes?
34. Which symbol correctly represents an element (D) whose atoms contain 15 protons and 20 neutrons?
35. When an atom loses an electron, it becomes a
36. Which subatomic particle is negative?
37. The end or final materials in a chemical reaction is known as .....
38. What element must be present for a molecule to be considered organic?
39. When possible, the human body will use macromolecules in what order?
40. Which of the following is true regarding lipids?
41. The mass number of an atom is equal to
42. Which electron configuration belongs to Chlorine (Cl)?
43. How would you classify the color of a rose?
44. Isotopes differ in the number of .....
45. A solution that has a pH of 7 is
46. One mole of sulfur (S) is equal to home many atoms?
47. Increasing the temperature gives particles more .....
48. Oil of vitriol is
49. The energy stored in chemical bonds is
50. The metallurgical process in which a metal is obtained in a fused state is called?
51. Which subatomic particles are found in the nucleus?
52. Which type of reaction is:3 Pb + 2 H3PO4 $\rightarrow$ 3 H2 + Pb3(PO4)2
53. Which of these make up 96% of the elements within the human body?
54. The function of carbohydrates is
55. Which statement about noble gases is correct
56. Which property depends on the the amount of matter present?
57. A chemical change is different than a physical change because in chemical change?
58. Which blood cells fight?
59. Which of the following gas is used in cigarette lighters?
60. Which of the following is the strongest base?
🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books