ECAT Chemistry Gases 2 Online Test

Photo of Maan Ali Maan AliLast Updated: April 26, 2025

ECAT Chemistry Gases Test 2

ECAT Chemistry Gases Chaper Online Test

Total Questions: 15
Time Allowed: 15 Minutes
Total Marks: 15
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: ECAT Entry Test
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ECAT Chemistry Gases 2 MCQS Online Test

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Engineering Subject

1. Gooch crucible is used in a suction filtering apparatus, because:

2. A filtration process could be very time consuming if it was not added by a gentle suction which is developed

3. Sublimation is a process for the separation of:

4. From which mixture can the fast substance be obtained by adding water stirring and filtering?

5. Preparation of aspirin is carried out by the reaction of salicylic acid with

6. A flask contains the liquids trichloromethane (chloroform) and H₂O They are separated using a separating funnel. Which conclusion can be made form this observation alone?

7. Slow cooling of hot saturated solution yields.

8. For smooth filtration one of the following precautions should be observed

9. A bottle of copper (II) oxide has been contaminated wit5h some solid, NaCI. How can NaCI be removed from the (II) oxide?

10. The process of filtration is used to:

11. The solvent is selected for crystallization of a substance on the basis of:

12. Solvent extraction method is particularly useful technique for separation when the product to be separated is:

13. Fluted filter paper is used for

14. The top of funnel stem should touch the side of the beaker because

15. What method is used to remove insoluble solids from muddy water?


 

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Photo of Maan Ali Maan AliLast Updated: April 26, 2025
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