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

Related Mcqs:

1. In solvent extraction ether is used to separate products of organic synthesis from________________?

   A. water
   B. iodine
   C. hydrochloric acid
   D. gases

2. Ammonium cynanate was 1st Inorganic compound that was converted into an Organic compound (in Lab) through boiling water. The organic compound was____.

   A. Methane
   B. Ethanol
   C. Acetic acid
   D. Urea

   Submitted by: Aamir khan Hullio

3. 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

4. When 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether ?

   A. 0.5
   B. 1
   C. 1.5
   D. 2

5. The pH of 10-3 mol dm-3 of an aqueous solution of H2SO4 is_________________?

   A. 3
   B. 2.7
   C. 2
   D. 1.5

6. Which one of the following aqueous solutions will be basic ?

   A. NaCI
   B. Na2SO4
   C. Na2CO3
   D. FeCl3

7. Which of the following ion is stable in aqueous solution ?

   A. H+
   B. H-
   C. Cl-
   D. All are stable

8. Which one of the following gives white precipitate with aqueous solution of BaCl2?

   A. NaHCO3
   B. NaNO3
   C. Na2CO3
   D. Na2CrO4

9. Aqueous solution of borax above 62°C gives crystals of________________?

   A. Na2B4O7.4H2O
   B. Na2B4O7.5H2O
   C. Na2B4O7.2H2O
   D. Na2B4O7.10H2O

10. Which of the following aqueous solutions would have the highest boiling point?

    A. 0.20 m glucose
    B. 0.20 m NaCl
    C. 0.15 m CaCl2
    D. 0.25 m sucrose

    Submitted by: Muhammad Ali Kunbhar