MCQ Classification of Matter Chapter 2 Class 9 Science MCQ’s For All Chapters – Science Class 9th 1. In a compound, the elements are _______ in a _______ proportion by mass. diffused, variablechemically combined, fixed mixed, directphysically combined, anyYour comments:Question 1 of 162. Which of the following statement is true for elements?They are pure substances.They cannot be broken down into simpler substances. They are classified into metals, non metals and metalloidsAll of the aboveYour comments:Question 2 of 163. Which of the following is not an example of heterogeneous mixture? Oil in waterSalt in waterMixture of sulphur powder and iron fillingsGun powderYour comments:Question 3 of 164. Which of the following is not true for a mixture?A mixture can be separated into its constituents.Energy is not given out in the preparation of a mixture.A mixture has a fixed melting point.The composition of a mixture is variable.Your comments:Question 4 of 165. A compound is a _______ substance made up of _______ .impure; two or more simpler substancessoft; only one kind of atomshard; only one elementpure; two or more elementsYour comments:Question 5 of 166. Take a mixture of iron fillings and sulphur powder in a test tube. Heat the test tube strongly till the mixture becomes red hot. Let the mixture cool and add dil. sulphuric acid to it. Which statement is true for the content of the test tube after the experiment? Show the property of magnetism.A physical change takes place.Colourless gas with the smell of rotten eggs.Colourless and odorless gas evolves.Your comments:Question 6 of 167. Which of the following is not a pure substance?MercuryDistilled waterNitric acidTap waterYour comments:Question 7 of 168. Pulses containing stones is an example of:A compound An elementHeterogeneous mixtureHomogeneous mixtureYour comments:Question 8 of 169. Which one of the following elements is a non-metal?CadmiumPhosphorusNickelTungstenYour comments:Question 9 of 1610. Sugar solution is an example of:An elementA compound A mixtureAll of the above.Your comments:Question 10 of 1611. ASSERTION-Oxygen atom is pure substance. REASON-Oxygen is never found in any combine state.a.) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.b.) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.c.) Assertion is true but Reason is false.d.) Assertion is false but Reason is trueQuestion 11 of 1612. ASSERTION-Oxygen atom is pure substance. REASON-Oxygen is always found in combine state.a.) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.b.) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.c.) Assertion is true but Reason is false.d.) Assertion is false but Reason is true.Question 12 of 1613. ASSERTION-SODIUM CHLORIDE is always existed in mixture form. REASON-Substance which made up of more than one constituent called mixture.a.) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.b.) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.c.) Assertion is true but Reason is false.d.) Assertion is false but Reason is trueQuestion 13 of 1614. Which of the following substances will not dissolve in water?SugarSodium chlorideCopper sulphateCarbonQuestion 14 of 1615. Which solvent can be used to obtain sodium chloride from a mixture of sodium chloride and sulphur without using water?Sodium hydroxideCarbon disulphideSulphuric acidKeroseneQuestion 15 of 1616. Assertion : When a beam of light is passed through a colloidal solution placed in a dark place the path of the beam becomes visible. Reason : Light gets scattered by the colloidal particles.a.) Both Assertion and Reason are correct, and reason is the correct explanation for assertion. b.) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion. c.) Assertion is true but Reason is false. d.) Assertion is false but Reason is true Question 16 of 16 Loading...
