Which one of the following is not a semiconductor ?

Related Mcqs:

1. When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?

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

2. Which of the following does not give Borax bead test ?

   A. Cu
   B. Cr
   C. Ni
   D. A1

3. Which of the following will decompose to produce litharge_________________?

   A. Pb2O
   B. Pb3O4
   C. PbO2
   D. All of the above

4. Which of the following is metasilicic acid ?

   A. H2SnO3
   B. H2SiO3
   C. H3AsO4
   D. H3SbO4

5. Which of the following shows inert pair effect ?

   A. boron
   B. carbon
   C. silicon
   D. tin

6. Which of the following is not a use of silicon ?

   A. Lubricants
   B. Hydraulic brakes
   C. Antifreeze
   D. Water repellent

7. Which of the following is not a macromolecule ?

   A. sand
   B. haemoglobin
   C. diamond
   D. maltose

8. If electricity is passed through CuSO4 solution by using Pt electrode then which of the following possible change occurs ?

   A. H2 is deposited at cathode
   B. Colour of the solution becomes fade
   C. Cu is deposited at anode
   D. All are possible

9. Which one of the following is not an alkali metal ?

   A. Francium
   B. Caesium
   C. Rubidium
   D. Radium

10. Which of the following is known as absolute zero?

    A. 0C°
    B. 273K
    C. 273.16C°
    D. -273.16C°

    Submitted by: Zahid Jagirani