9th Class Science Is Matter Around Us Pure Question Bank

done Assertion and Reason MCQs - Is Matter Around us Pure Total Questions - 15

• question_answer1)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion Gold, silver and bromine are the pure substances.

  Reason The metals and non-metals are the types of elements based on the variation in properties.

   
  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
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• question_answer2)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion Water and carbon dioxide are known as compounds.

  Reason Water and carbon dioxide are heterogeneous in nature.

  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer3)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion A solution of table salt in a glass of water is homogeneous.

  Reason A solution having different composition throughout is homogeneous.

  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer4)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion The component present in large amount is solute.

  Reason Solvent is the dissolving phase.

  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer5)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion Suspension is a heterogeneous mixture.

  Reason The solute particles do not dissolve but remain suspended throughout the bulk of medium.

  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer6)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion Colloidal particles do not show Tyndall effect.

  Reason Colloidal solutions are stable and the colloidal particles do not settle down.

  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer7)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion Tyndall effect is an optical property.

  Reason Scattering of beam of light by the colloidal particles is known as Tyndall effect.

  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer8)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion The particles of colloid are separated by a centrifugation method.

  Reason Colloids are big enough to scatter a beam of light passing through it.

   
  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
   Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer9)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion Fog is an example of aerosol colloid.

  Reason The dispersion medium is gas and dispersed phase is liquid in fog.

  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer10)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion A mixture of sugar and benzoic acid can be separated by shaking with ether.

  Reason Sugar is insoluble in water.

  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer11)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion Chromatography can be use to separate a mixture of plant pigments.

  Reason Chromatography is a process of separation of components of a mixture.

   
  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer12)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion A mixture of acetone and methanol can be separated by fractional distillation.

  Reason The difference between boiling point of acetone and methanol is very less.

  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer13)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion Impure benzoic acid can be purified by sublimation.

  Reason Benzoic acid sublimes on heating.

  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer14)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion Chemical changes bring a variation in chemical properties.

  Reason Chemical change is also known as chemical reaction.

  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer15)

  Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below

  Assertion Burning of wood is a physical change.

  Reason During burning of wood, new substances which cannot be changed are formed.

   
  A)
  Both A and R are true and R is correct explanation of the A. done clear
  B)
  Both A and R are true but R is not the correct explanation of the A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow