Substance which is found in dried up lakes of Tibet and California is_______________?

Related Mcqs:

1. The gas which cannot be dried by conc. H2SO4 ?

   A. SO2
   B. H2S
   C. CO2
   D. C2H4

2. As a substance moves from a solid to a liquid all of the following changes occur except ?

   A. molecules become more disordered.
   B. K.E of the molecules decreases
   C. intermolecular forces become weaker.
   D. molecules move more frequently.

3. Paramagnetic behaviour of substance is measured by a balance called___________________?

   A. Analytical balance
   B. Guoys balance
   C. Electrical balance
   D. Single beam balance

4. A substance having very high vapour pressure at its melting point on heating will show_______________?

   A. Melting
   B. Sublimation
   C. Decomposition
   D. Condensation

5. Branch of chemistry that deals with the complete qualitative and quantitative analysis of a substance is___________________?

   A. Stoichio chemistry
   B. Physical chemistry
   C. Analytical chemistry
   D. Quantum chemistry

6. The highest temperature at which a substance can exist as a liquid is called its______________?

   A. Critical temperature
   B. Standard temperature
   C. Absolute temperature
   D. Upper consulate temperature

7. The substance used in cancer therapy is___________?

   A. Fe
   B. Co
   C. Ni
   D. Rn

   Submitted by: Muhammad Ali Kunbhar

8. A substance is analyzed and found to have an emperical formula of CH2 and a molar mass of 56g/mole. What is the molecular formula of the compound?

   A. C2H4
   B. C3H6
   C. C4H8
   D. C5H10

   Submitted by: Muhammad Ali Kunbhar

9. The properties which do not depend on mass of the substance are _____________?

   A. Extensive properties
   B. Colligative properties
   C. intensive properties
   D. None of These

   Submitted by: Aneela shabbir

10. The process by which a substance absorbs moisture upon exposure to atmosphere is called?

    A. Efflorescence
    B. Dehydrogenation
    C. Desalination
    D. Deliquescence 

    Submitted by: Farhan Rana