The chemical composition of cinnabar is__________________?

Related Mcqs:

1. The composition of brown ring in nitrate test is_________________?

   A. FeSO4.No
   B. FeSO4.No2
   C. FeSO4.No3
   D. FeSO4.N2o

2. Mixtures which distill over without change in composition called___________________?

   A. zeotropic mixture
   B. azeotropic mixture
   C. amphoteric mixture
   D. ideal solution

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

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

4. The composition of mixture of clay and lime stone in the raw for cement material is __________________?

   A. 75% lime stone and 25% clay
   B. 25% lime stone and 75% clay
   C. 15% lime stone and 55% clay
   D. 55% lime stone and 15% clay

5. The composition of ‘ Golden spangles is_________?

   A. PbCrO4
   B. PbI2
   C. As2Cr2O7
   D. BaCrO4

   Submitted by: Muhammad Ali Kunbhar

6. If a physical and chemical change takes place at a constant pressure then the heat change during the process is called__________________?

   A. Heat of transition
   B. Heat of fusion
   C. Enthalpy change
   D. All of above

7. Chemical used in salt bridge is________________?

   A. KOH
   B. KCI
   C. KNO3
   D. KBr

8. Carnalite has chemical formula__________________?

   A. KCI
   B. KCI.MgCl2.6H2O
   C. Na2B4O7.10H2O
   D. CaCO3.MgCO3

9. The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of:_______?

   A. Bromine
   B. Fluorine
   C. Chlorine
   D. Sulphur

   Submitted by: Muhammad Ali Kunbhar

10. The maximum amount of product obtained by balanced chemical equation is called as __________?

    A. Practical yield
    B. Theoretical yield
    C. Actual yield
    D. NOT

    Submitted by: Aamir khan Hullio