Chemical composition of cinnabar is____________________?

Related Mcqs:

1. The most paramagnetic element is____________________?

   A. Iron B. Cobalt C. Chromium D. Manganese...

2. The common name of propane -1 3-dioic acid is____________________?

   A. Oxalic acid B. Succinic acid C. Malonic acid D. Fumaric acid...

3. Isotopes differs in______________________?

   A. arrangement of electrons in orbitals B. position in the periodic table C. properties depend upon mass D. chemical properties...

4. The molecules of CO2 in dry ice form__________________?

   A. Ionic crystal B. Covalent crystal C. Molecular crystal D. Any type of crystal...

5. Which of the following can be used in laptops ?

   A. Silver oxide battery B. Fuel cell C. Nickel cadmium cell D. Lead accumulator...

6. Ethy1 chloride on reduction in the presence of Zn/HCI produces___________________?

   A. n. butane B. Ethanol C. Ethane D. Diethy1 ether...

7. The number of atoms in a molecule determines________________?

   A. macromolecule B. macromolecule C. molecularity D. atomicity...

8. Bohrs model is contradicted by__________________?

   A. Plancks theory B. Dual nature of matter C. Heisenbergs uncertainty principle D. All of these...

9. Nitrates of which pair gives different products on thermal decomposition___________________?

   A. Na K B. Mg Ca C. Li Na D. Li Ca...

10. Vinyl acetylene combines with hydrochloric acid produces___________________?

    A. Diviny1 acetylene B. Ethylidine dichloride C. Chloroprene D. 1 – 3 – 3 – trichloro butane...