Tag: pure substances and mixtures: separation of mixtures

Quizzes (12) Questions (35)

Questions Related to pure substances and mixtures: separation of mixtures

Multiple choice chemistry pure substances and mixtures: separation of mixtures difference between mixtures and compounds pure substance and mixtures types of pure substances

Which of the following is not a property of compounds?

  1. Components are present in a fixed proportions

  2. They are always homogeneous

  3. The components in compounds do not retain their original properties

  4. The components in compounds can be separated by physical means
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The components of compounds can be separated by chemical means. Rest all are properties of compounds.

Multiple choice chemistry pure substances and mixtures: separation of mixtures dry methods of separation process of separating components of a mixture method of separation

The constituents of a heterogeneous mixture are X, Y and Z. 
If mixture of X and Y taken separately then, X can be separated using magnetic separation from Y. If mixture Y and Z is taken then it can be separated using distillation method.

Which of the following mixture can be X, Y, Z?

  1. Iron, salt, water.

  2. Sulphur, carbon disulphide, water.

  3. Gun powder, common salt, water.

  4. Iodine, sand, alcohol.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Iron (X) is magnetic and can be separated from salt (Y). Salt (Y) and water (Z) form a solution that can be separated by distillation. This matches the description.