CHEMISTRY TOPIC MATTER QUIZ 1 O'LEVEL

CHEMISTRY TOPIC MATTER QUIZ 1

1. Three sequential methods of separating salt from a mixture of sad and salt in water

A) Decantation, filtration and evaporation.
B) Evaporation, fitration and decantation
C) Crystallization, decantation and sedimentation
D) Decantation, filtration and crystallization

... Answer is A)
Three sequential methods of separating salt from a mixture of sad and salt in water "Decantation, filtration and evaporation".

2. A component of a mixture called suspension can be separated by two methods. Which are these?

A) Decantation and filtration
B) Decantation and evaporation
C) Evaporation and distillation
D) Crystallization and Paper chromatography

... Answer is A)
A component of a mixture called suspension can be separated by two methods. Which are "Decantation and filtration".

3. Which one of the following is a component which contains all soluble substances

A) Filtration
B) Residual
C) Filtrate
D) Suspension

... Answer is C)
The following is a component which contains all soluble substances "Filtrate".

4. A mixture of chalk and salt in water can be separated by

A) Evaporation only
B) Filtration and evaporation
C) Decantation and filtration
D) Crystallization only

... Answer is B)
A mixture of chalk and salt in water can be separated by "Filtration and evaporation.

5. Pure water can be recovered from colored solutions by

A) Fractional distillation method
B) Evaporation methods
C) Paper chromatography method
D) Simple distillation method

... Answer is D)
Pure water can be recovered from colored solutions by "Simple distillation method".

6. A mixture of immiscible liquids, such as water in oil, can be separated by which method?

A) Funnel separation
B) Fractional distillation
C) Evaporation
D) Magnet

... Answer is C)
A mixture of immiscible liquids, such as water in oil, can be separated by "Funnel separation".

7. The direct change from solid-state to gaseous state.

A) Sublimation
B) Deposition
C) Evaporation
D) Crystallization

... Answer is A)
The direct change from solid-state to gaseous state "Sublimation".

8. Which group contains substances which can sublime

A) Iodine and ammonium sulphate
B) Iron and ammonium Chloride
C) Iodine and ammonium Chloride
D) Iron and ammonium sulphate

... Answer is C)
Which group contains substances which can sublime " Iodine and ammonium Chloride".

9. Which of the following is the method by which colored substances, in a mixture, can be separated and identified

A) Chromatograms
B) Chromatography
C) Purification
D) Separation

... Answer is B)
The following is the method by which colored substances, in a mixture, can be separated and identified "Chromatography".

10. Heating the liquid to obtain vapor and then cooling the vapor to obtain a liquid again is known as

A) Simple distillation
B) Evaporation
C) Condensation
D) Evapo-transpiration

... Answer is A)
Heating the liquid to obtain vapor and then cooling the vapor to obtain a liquid again is known as "Simple distillation".