Copper is used in the production of___________?

Related Mcqs:

1. Copper can be converted into gold by ?

   A. Artificial radioactivity B. heating C. Electroplating D. Chemical reaction...

2. By which process copper is refined ____________?

   A. Roasting B. Oxidation C. Zone Refining D. Electrolysis Submitted by: WIQAR AHMAD...

3. Reflex actions in head region are under the control of___________?

   A. Brain B. Spinal cord C. both a & b D. non of the above Submitted by: Umar Hayat...

4. Sunlight is composed of___________?

   A. Three colours B. six colours C. seven colours D. eight colours Submitted by: Mian Jamil Shah...

5. ‘Bar’ is the unit of___________?

   A. Temperature B. Heat C. Atmospheric pressure D. Current Submitted by: Zeeshan Rafique Soomro...

6. Eletromagneticism is the branch of___________?

   A. Chemistry B. Physics C. Both D. None of these Submitted by: Sadam...

7. Blood does not coagulate inside the body due to the presence of___________?

   A. Haemoglobin B. Fibrin C. Heparin D. Plasma Submitted by: Yaseen Nohri...

8. Disease beri beri is because of___________?

   A. Lack of green vegetables in diet B. Use of milled rice C. Deficiency of calcium in bones D. Poor use of citrus fruits Submitted by: Irum perveen...

9. Permanent hardness of water may be removed by the addition of___________?

   A. Sodium Carbonate B. Alum C. Potassium Permanganate D. Lime Submitted by: Warraich...

10. SONAR is based on the principle of___________?

    A. Echo B. reverberation C. resonance D. None of these Submitted by: Abid Otho...