Estimation of amounts of different components in a sample is________________?

Related Mcqs:

1. Identification of the components of a sample is_________________?

   A. Quantitative analysis B. Qualitative analysis C. Stoichiometry D. Physical chemistry...

2. The sample of isotopes of an element which needs not to be vaporized in the vaporization chamer_________________?

   A. Gas B. Liquid C. Volatile solid D. All...

3. Every sample of matter with uniform properties and fixed composition is called_________________?

   A. solute B. solvent C. solution D. phase...

4. A sample of an iron and oxygen ore has a mass of 35.8 grams. The iron in the compound has a mass of 27.9 grams. What is the percent iron in the ore?

   A. 74% Fe B. 75% Fe C. 77% Fe D. 78% Fe Submitted by: Muhammad Ali Kunbhar...

5. The technique used to separate components of mixture in solid phase ?

   A. Crystallization B. Filtration C. Sublimation D. Solvent extraction...

6. Different components of a mixture have different Rf values due to________________?

   A. Polar solvent used B. Combination of solvents used C. Their different distribution coefficients in the solvent D. Distributive law...

7. A method of separation of components from its solution using Distribution law is ___________________?

   A. Sublimation B. Crystallisation C. Solvent extraction D. Distillation...

8. If the volume of solution is equal to sum of volumes of its all components then the solution_____________?

   A. will be an ideal solution B. will be non-ideal solution C. will show deviations from Raoults law D. both b & c...

9. Ratio of the amount of solute in organic and aqueous solvent is________________?

   A. Retardation factor B. Distribution co-efficient C. Distribution in aqueous solution D. All statements are wrong...

10. In crystallization if the solvent is inflammable then direct heating is________________?

    A. needed B. avoided C. depends on temperature D. crystallization does not involve heating...