Which of the following gravity scales is used exclusively for liquids heavier than water ?

Related Mcqs:

1. Which of the following expressions defines the Baume gravity scale for liquids heavier than water ?

   A. (141.5/G) – 131.5
   B. 145 – (145/G)
   C. 200 (G-1)
   D. (400/G) – 400

2. Which of the following expressions defines the Baume gravity scale for liquids lighter than water ?

   A. °Be = (140/G) – 130
   B. °Be = 200(G-1)
   C. °Be = 145 – (145/G)
   D. °Be = (400/G) – 400

3. One of the specific gravity scales is “Brix” (used specifically for sugar solution). It is defined as ______________?

   A. Brix = (400/G) – 400
   B. Brix = 200 (G-1)
   C. Brix = 145 – (145/G)
   D. None of these

4. Specific gravity on API scale is given by the relation (where, G = specific gravity at 15.5°C) ?

   A. °API = 200(G – 1)
   B. °API = (141.5/G) – 131.5
   C. °API = (140/G) – 130
   D. °API = 145 – (145/G)

5. Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which___________________?

   A. A homogeneous solution (say of phenol water) is formed
   B. Mutual solubility of the two liquids shows a decreasing trend
   C. Two liquids are completely separated into two layers
   D. None of these

6. °API gravity of water at N.T.P. is about__________________?

   A. 0
   B. 1
   C. 10
   D. 100

7. ‘Particulate’ air pollutants are finely divided solids and liquids. Which of the following is not a „particulate‟ ?

   A. Dust & mists
   B. Smoke & fumes
   C. Photochemical smog & soot
   D. None of these

8. The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant ?

   A. Chlorine
   B. Alkalis
   C. Benzene hexachloride
   D. Alkyl benzene sulphonate (ABS)

9. The vapor pressure of liquids of similar chemical nature at any particular temperature _______________ with increase in the molecular weight?

   A. Increases
   B. Decreases
   C. Remains unchanged
   D. Either A. or B.; depends on the liquid

10. Heat of solution in a system in which both solute and solvent are liquids is termed as_________________?

    A. Heat of solvation
    B. Heat of hydration
    C. Standard integral heat of solution
    D. Heat of mixing