MCQs for Science Class 9 with Answers Chapter 2 Is Matter Around Us Pure
Students of class 9 Social Science should refer to MCQ Questions Class 9 Social Science Is Matter Around Us Pure with answers provided here which is an important chapter in Class 9 Social Science NCERT textbook. These MCQ for Class 9 Social Science with Answers have been prepared based on the latest CBSE and NCERT syllabus and examination guidelines for Class 9 Social Science. The following MCQs can help you to practice and get better marks in the upcoming class 9 Social Science examination
Chapter 2 Is Matter Around Us Pure MCQ with Answers Class 9 Social Science
MCQ Questions Class 9 Social Science Is Matter Around Us Pure provided below have been prepared by expert teachers of grade 9. These objective questions with solutions are expected to come in the upcoming Standard 9 examinations. Learn the below provided MCQ questions to get better marks in examinations.
Question. The particles of a solution are less than in diameter.
a. 1 nm
b. 0.1 nm
c. 0.5 nm
d. 0.05 nm
Question. Bronze is an alloy of
a. copper and zinc.
b. copper and tin.
c. iron and aluminium.
d. iron and chromium.
Question. The components of a mixture of ammonium chloride and sodium chloride can be separated by
Question. In which of the following substances, both the dispersed phase and the dispersion medium are in solid state?
a. Face cream
b. Milky glass
Question. A/An is the simplest form of matter that cannot be broken down further into simpler substances by chemical methods.
Question. Name the metal which exists as a liquid at room temperature.
Question. What is the ratio of hydrogen and oxygen by mass in H2O2?
a. 1 : 8
b. 8 : 1
c. 1 : 16
d. 16 : 1
Question. Which of the following is not a homogeneous mixture?
a. Mixture of sodium chloride and water
b. Mixture of sugar and water
c. Mixture of glucose and water
d. Mixture of clay and water
Question. A solution is prepared by dissolving 10 g of sodium chloride in 40 g of water. What is the mass by mass percentage of this solution?
a. 25 %
b. 20 %
c. 50 %
d. 80 %
Question. A 15 % (m/m) aqueous solution of glucose is prepared by dissolving 13.5 g of glucose in x g of water. Calculate the value of x.
g b. 100 g
c. 90 g
d. 76.5 g
Question. In the chemical classification, matter is classified into
a. solids, liquids and gases.
b. pure substances and mixtures.
c. elements and compounds.
d. metals, non-metals and metalloids.
Question. Which of the following is not a characteristic of pure substances?
a. Pure substances are made up of only one type of particles.
b. Pure substances have variable compositions.
c. Pure substances are perfectly homogeneous.
d. Pure substances have definite melting and boiling points.
Question. The volume of a 20 % (v/v) aqueous solution of ethanol is 80 mL. Calculate the volume of ethanol present in this solution.
a. 40 mL
b. 20 mL
c. 16 mL
d. 4 mL
Question. A solution which contains more quantity of the solute that it can dissolve at a particular temperature is called a/an solution.
Question. Shaving cream is a/an
Question. Identify the correct statement from the following.
a. A solution does not scatter light.
b. A colloid is a homogeneous mixture.
c. The particles of a suspension cannot scatter light.
d. The particles of a colloid are larger than the particles of a suspension.
Question. is an emulsion.
b. Milk of magnesia
Question. is the only non-metal which exists as a liquid at room temperature.
Question. A substance which is made up of two or more elements chemically combined together in a definite proportion by mass is known as a/an
c. homogeneous mixture.
d. heterogeneous mixture.
Question. What is the random zig-zag motion of colloidal particles called?
a. Tyndall effect
b. Rayleigh’s scattering
c. Brownian movement
Question. Which of the following is the principle of separating a mixture of two immiscible liquids by using a separating funnel?
a. Denser particles of a mixture are forced to the bottom while lighter particles stay at the top when the mixture is spun rapidly.
b. Immiscible liquids separate out in layers depending on their densities.
c. Different liquids boil at different temperatures.
d. A substance has different solubilities in different solvents.
Question. The components of ink can be separated by
a. simple distillation.
Question. Name the process which is used for separating the different components of air.
b. Simple distillation
c. Fractional distillation
Question. Salt obtained from seawater is purified by
Question. Which of the following is a heterogeneous mixture?
a. Mixture of acetic acid and water
b. Mixture of ethanol and water
c. Mixture of acetone and water
d. Mixture of kerosene oil and water
Question. Which of the following statements is false?
a. Pure substances are further classified as elements and compounds.
b. The components of a mixture do not retain their individual properties.
c. A compound has a definite chemical composition.
d. A mixture has a variable chemical composition.
Question. Which of the following is a suspension?
c. Mixture of clay and water
d. Sodium amalgam
Question. Which of the following substances will not show Tyndall effect?
Question. In a/an , both the dispersed phase and the dispersion medium are in liquid state.
Question. A mixture of can be separated by magnetic separation.
a. naphthalene and common salt
b. sulphur and common salt
c. iodine and sulphur
d. iron filings and sulphur
We hope the above multiple choice questions for Class 9 Social Science for Chapter 2 Is Matter Around Us Pure provided above with answers based on the latest syllabus and examination guidelines issued by CBSE, NCERT and KVS are really useful for you. Is Matter Around Us Pure is an important chapter in Class 9 as it provides very strong understanding about this topic. Students should go through the answers provided for the MCQs after they have themselves solved the questions. All MCQs have been provided with four options for the students to solve. These questions are really useful for benefit of class 9 students. Please go through these and let us know if you have any feedback in the comments section.