9th Class Chemistry Chapter 1 MCQs with Answers
States of Matter and Phase Changes:
1. The man-made polymer is:
a. Protein
b. Starch
c. Cellulose
d. Polystyrene
2. Matter is present in neon signs in the state of:
a. Gas
b. Supercritical fluid
c. Liquid crystal
d. Plasma
3. The crystals of which substance has rhombics shape?
a. Grephite
b. Brass
c. Bronze
d. Sulphur
4. Hazardous effects of shopping bags are studied in:
a. Analytical Chemistry
b. Geochemistry
c. Environmental Chemistry
d. Inorganic Chemistry
5. A state of matter whose properties are between those of liquids and crystalline solids:
a. Plasma
b. Liquid crystal
c. Dark matter
d. Supercritical fluid
6. Which liquid among the following is a colloidal solution?
a. Vinegar solution
b. Milk
c. Mixture of AgCI in water
d. Slaked lime used for white wash
7. When the tiny visible particles of a substance are dispersed through a medium, the mixture is named as:
a. Suspension
b. True solution
c. Saturated solution
d. Colloid
8. Which of the following is a heterogeneous mixture?
a. Hot chocolate
b. A solution of calcium hydroxide in water
c. Concrete mixture
d. A solution of potassium nitrate in water
9. A solution of KCIO has a solubility of about 13.2g per 100 cm at 40 C. How its solubility will be affected, if you decrease the temperature?
a. The solubility will remain the same
b. The solubility will increase
c. The solubility will first increase with temperature and then it will decrease
d. The solubility will decrease
10. You are studying the rate of hydrolysis of starch under differentconditions of temperature. In which branch of chemistry this topic will
fall?
a. Biochemistry
b. Organic Chemistry
c. Physical Chemistry
d. Analytical Chemistry
11. Inorganic compounds used as:
a. Coating
b. Fertilizers
c. Medicine
d. All of these
12. Which branch of chemistry is used to predict and change the rates of reactions:
a. Polymer chemistry
b. Physical chemistry
c. Geochemistry
d. Biochemistry
13. Which branch of chemistry help to protect water that has been poisoned
by soil?
a. Inorganic chemistry
b. Environmental chemistry
c. Geochemistry
d. Organic chemistry
14. How many branches of chemistry?
a. 10
b. 8
c. 11
d. 9
15.The scientific study of the chemical and biochemical phenomenon that
occurs in planet is called:
a. Geochemistry
b. Organic chemistry
c. Environmental chemistry
d. Inorganic chemistry
16. In which branch we study the structure, formation, properties, composition and reactions of carbon containing ions?
a. Nuclear chemistry
b. Inorganic chemistry
c. Analytical chemistry
d. Organic chemistry
17. To identify the concentration of a particular solution through titration is
and application of:
a. Geochemistry
b. Astrochemistry
c. Organic chemistry
d. Analytical chemistry
18. Which branch of chemistry focuses on the properties and synthesis of polymers and macromolecules?
a. Analytical chemistry
b. Polymer chemistry
c. Geochemistry
d. Nuclear chemistry
19. Which branch of chemistry insight into the structure and function of
molecules:
a. Analytical chemistry
b. Physical chemistry
c. Geochemistry
d. Biochemistry
20. Which area of chemistry improves to gauge the behavoiur of pollutants and develop techniques for pollution control?
a. Environmental
b. Analytical chemistry
c. Geochemistry chemistry
d. Organic chemistry
21. The study of interaction between drugs and biological targets, as well as the development of new medicinal agents:
a. Inorganic chemistry
b. Organic chemistry
c. Environmental chemistry
d. Medicinal chemistry
22. The branch of chemistry that helped to to treat diseases and synthesize new medicines:
a. Inorganic chemistry
b. Physical chemistry
c. Environmental chemistr
d. Organic chemistry
23. Which pump is used to transfer undergone water into buildings during winter.
a. Geothermal heat pump
b. Electric pump
c. Water pump
d. None of these
24. The batteries in our vehicles are built on the principle of electrochemistry. It is the application of:
a. Organic chemistry
b. Astrochemistry
c. Physical chemistry
d. Analytical chemistry
25. Which branch of the chemistry deals with the study of stars, planets, comets and interstellar space?
a. Astrochemistry
b. Medicinal chemistry
c. Physical chemistry
d. Geochemistry
26. The branch of chemistry that is concerned with the large scale production of chemical substances is:
a. Inorganic chemistry
b. Industrial chemistry
c. Environmental chemistry
d. Physical chemistry
27. Which branch of chemistry is the study of elements and their compounds except for organic compounds?
a. Inorganic chemistry
b. Physical chemistry
c. Geochemistry
d. Organic chemistry
28. Which is deal with composition, structure, properties, behavior and change of matter & energy?
a. Chemistry
b. Technology
c. Science
d. Engineering
29. The branch of science helps to understand chemical products and aprocesses that reduce the use of hazardous substance:
a. Green chemistry
b. Analytical chemistry
c. Astrochemistry
d. Physical chemistry
30. Which brach of chemistry deals with the changes that occur in atomic nuclei?
a. Biochemistry
b. Environmental chemistry
c. Nuclear chemistry
d. Astrochemistry
31. The branch of chemistry that focuses on the study of polymers, their types, properties, uses is called:
a. Organic chemistry
b. Industrial chemistry
c. Astrochemistry
d. Polymer chemistry
32. Which branch of chemistry tell us sulphuric acid is extremely corrosive to skin?
a. Biochemistry
b. organic chemistry
c. inorganic chemistry
d. physical chemistry
33. Which branch of chemistry deals with elements and compounds in earth’s crust?
a. organic chemistry
b. polymer chemistry
c. physical chemistry
d. Geochemistry
34. Which branch of chemistry give information about starch synthesis in plants?
a. Environmental chemistry
b. Organic chemistry
c. Inorganic chemistry
d. Biochemistry
35. Polymers are sometimes called:
a. Macromolecules
b. Monomers
c. Micromolecules
d. None of these
36.Flowering are states of matter:
a. Solid
b. Gas
c. Liquid
d. All of these
37. Anything that has mass and occupies space is called:
a. Solid
b. Liquid
c. Matter
d. Gas
38. Macroscopic properties are properties that can be visualized by:
a. Electron microscope
b. The naked eye
c. Telescope
d. Microscope
39. Matter can be described by both its:
a. Physical properties and chemical properties
b. Physical properties
c. Chemical properties
d. None of these
40. How many states of matter exist?
a. Three
b. One
c. Four
d. Two
41. A substance formed when two or more different elements combine chemically:
a. Element
b. Atom
c. Solution
d. Compound
42. In which state matter does not have definite shape and column?
a. Gas
b. Solid
c. Liquid
d. All of these
43. Pressure is a significant property of:
a. Gas
b. Liquid
c. Solid
d. None of these
44. The simplest form of matter is:
a. Gas
b. Liquid
c. Solid
d. Both b and c
45. Which state of matter has fixed shape and volume?
a. Gas
b. Liquid
c. Solid
d. All of these
46. Building block of all matter is:
a. Atom
b. Element
c. Mixture
d. Compound
47. Fourth state of matter is:
a. Gas
b. Solid
c. Plasma
d. Liquid
48. The world is made up of:
a. Energy
b. Matter
c. Both a and b
d. Atom
49. How many states of matter we observe in everyday life?
a. 2
b. 8
c. 4
d. 3
50. Gass has:
a. Electrostatic forces
b. Weak intermolecular force
c. Magnetic forces
d. Strong forces
51. Which one of this has definite shape and volume:
a. Solid
b. Liquid
c. Gas
d. Plasma
a. Solid
52. Which is the example of two dimensional crystal:
a. Sulphur
b. Diamond
c. Graphene
d. Graphite
53. Supercritical fluid shows the properties of:
a. Only solid
b. Solid and liquid
c. Only gas
d. Gas and liquid
54. A single layer of carbon atom arrange in:
a. Trigonal pattern
b. Tetrahedral pattern
c. Linear pattern
d. Hexagonal pattern
55. Which one is the simplest form of matter?
a. Element
b. Mixture
c. Atom
d. Compound
56. When elements reacts with each other they form:
a. Covalent bond
b. Ionic bond
c. Coordinate covalent bond
d. Chemical bond
57. Most of the elements found in this world, exist in the form of:
a. Gas
b. Solid
c. Plasma
d. Liquid
58. Water, ammonia and methane are the example of:
a. Compounds
b. Atoms
c. Elements
d. Gases
59. Which one of the following is the first element which is created by scientist in the laboratory:
a. Germenium
b. Hydrogen
c. Silicon
d. Technetium
60. Example of heterogeneous mixture is:
a. Ice cream
b. Air
c. Soil
d. Gasoline
61. Mixture can be separated by means of:
a. Physical method
b. Nuclear method
c. Chemical method
d. All of these
62. A good example of homogeneous mixture is:
a. Wood
b. Soil
c. Ice-cream
d. Rock
63. Formula of ozone is:
a. O2
b. O4
c. O3
d. CaO
64. In diamond, each C-atom is covalently bonded with …… C-atoms:
a. Three
b. Four
c. Five
d. Two
65. Graphite is …… conductor of electricity:
a. Moderate
b. Good
c. Bad
d. None of these
66. Diamond is ……:
a. Non-conductor
b. Conductor
c. Both a and b
d. None of these
67. Allotropes of oxygen are:
a. 3
b. 2
c. 5
d. 4
68. Sulphur exist in two crystalline allotropic form i.e:
a. Rhombic and diclinic
b. Monocyclic and monoclinic
c. Rhombic and monoclinic
d. Monoclinic and diclinic
69. Buckyballs also known as ……:
a. Fullerenes
b. Graphite
c. Both a and b
d. None of these
70. How many allotropic form of oxygen exist in nature:
a. 3
b. 2
c. 12
d. 4
71. The structure of C-atom in diamond is ……:
a. Triangle
b. Pentagonal
c. Hexahedral
d. Tetrahedral
72. Fullerenes is soluble in:
a. Organic solvent
b. Water
c. Inorganic solvent
d. Salt solution
73. Mixture may be:
a. Heterogenous
b. Homogenous
c. Both a and b
d. None of these
74. Which one is an impure compound?
a. Electron
b. Element
c. Mixture
d. None of these
75. In water, hydrogen and oxygen are present in fixed ratio by weight:
a. 8:1
b. 2:8
c. 8:2
d. 1:8
76. Helium and Argon are the example of:
a. Ions
b. Compounds
c. Atoms
d. Elements
77. Which one the following will show negligible effect of temperature on its
solubility?
a. NaNO3
b. KCI
c. NaCI
d. KNO3
78. Example of colloidal solution is:
a. Sugar
b. Protein
c. Starch solution
d. Lipids
79. In which type, solute particles do not homogenize with solvent:
a. Unsaturated solution
b. Colloidal solution
c. Mixture
d. Saturated solution
80. A mixture in which solute particles do not dissolve in the solvent is:
a. Colloidal
b. Solution
c. Suspension
d. All of these
81. Which one is example of colloid?
a. Milk of magnesia
b. Jelly
c. Paints
d. None Of these
82. Solubility of which slat increases with the increase if temperature:
a. KCI
b. KNO3
c. NaNO3
d. All of these
83. Which of the following is hetergeneous mixture?
a. Milk of magnesia
b. Milk
c. Ink
d. Sugar solution
84. The solubility of which salt is decreases with the increase of temperature?
a. LiSO4
b. KCL
c. KNO3
d. NaNO3
85. Which one is suspansion?
a. Ink
b. Blood
c. Toothpaste
d. Chalk in water
86. A solution in which maximum amount of solute has been dissolved in a particular amount of solvent in known as:
a. True solution
b. Unsaturated solution
c. Saturated solution
d. solution
87. If the quantity of sugar in water increases, its dissolution will become:
a. More easy
b. More difficult
c. Slightly difficult
d. Slightly easy
88. The solids like steel is:
a. Heterologous
b. Homologous
c. Homologous or Heterologous
d. Mixture of chalk
89. 203.9g of table sugar can dissolve in water to give saturated solution at:
a. 30oC
b. 20oC
c. 21oC
d. 24oC
b. 20oC
90. When temperature increases, solubility of Li CO also:
a. Maximum
b. Increases
c. Decrease
d. First decrease then increase
91. Formula of silver Nitrate is:
a. AgNO3
b. AgNO2
c. Ag2NO3
d. Ag
92. Soda water bottles are stored in refrigerator to keep gas dissolved in water for a larger period:
a. Carbon monoxide
b. Oxygen
c. Nitrogen
d. Carbon dioxide
93. When temperature increases, solubility of sodium nitrate:
a. First increase then decrease
b. First decrease then increase
c. Increase
d. Decrease
94. Formula of calcium chromate is:
a. CaCrO4
b. CaCO3
c. Ca(OH)2
d. Ca2CrO4