By which process copper is refined ____________?

Related Mcqs:

1. Copper can be converted into gold by ?

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

2. Copper is used in the production of___________?

   A. Brick kilns B. Children toys C. Kitchen utilities D. Electric wires...

3. The source of the Sun’s energy is the process of ____________?

   A. Photoelectric emission B. Nuclear fission C. Nuclear fusion D. Thermionic emission Submitted by: Abid Hussain...

4. The process in which seed grows in to a new plant is called ______?

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5. During which process of energy exchange does cold air displace warmer air?

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6. The process by which kidney stones are crushed with shock waves is called?

   A. Laparoscopy B. Dementia C. Lithotripsy D. None of these Submitted by: Mansoor Ahmed Suhag...

7. A definite area or a space where some thermodynamic process takes place is known as?

   A. Thermodynamic system B. Thermodynamic cycle C. Thermodynamic process D. Thermodynamic law Submitted by: Muhammad Baqir Naich...

8. The process whereby energy is dissipated from the oscillating system is called__________?

   A. Oscillation B. Damping C. Resonance D. None of these Submitted by: Malik Asghar Hussain...

9. The process of converting wet waste to manure is___________?

   A. Metabolism B. Conservation C. Incineration D. Composting Submitted by: Malik Asghar Hussain...

10. The process which is essential for continuing and survival of species is __________?

    A. Digestion B. Respiration C. Reproduction D. Excretion Submitted by: Abid Hussain...