Basic metals can be converted into gold by ?

Related Mcqs:

1. Gold and Silver are known as _________ metals ?

   A. Coinage metals
   B. Noble metals
   C. Both A & B
   D. None of these

   Submitted by: Mansoor Ahmed Suhag

2. Copper can be converted into gold by ?

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

3. The ratio of pure gold in 18 carat gold is _______________?

   A. 0.5
   B. 0.9
   C. 0.8.5
   D. 0.75

   Submitted by: WIQAR AHMAD

4. Bronze medal is made up of metals ?

   A. copper,nickel
   B. copper, tin
   C. copper, silver
   D. copper, zinc

5. The property by virtue of which metals can be beaten into thin sheets is known as?

   A. Ductility
   B. Malleability
   C. Conductivity
   D. Density

6. Which one of the following non-metals is not a poor conductor of electricity?

   A. Sulphur
   B. Selenium
   C. Bromine
   D. Phosphorus

   Submitted by: Sufi Mukhtiyar

7. The toxicity of which of the following heavy metals leads to Liver cirrhosis?

   A. Copper
   B. Lead
   C. Mercury
   D. Zinc

   Submitted by: Malik Asghar Hussain

8. With the rise in temperature, metals conductivity____________?

   A. Remains same
   B. Increases
   C. Decreases
   D. None of these

   Submitted by: Muhammad Mumtaz Haider

9. Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ?

   A. Zeolites
   B. Sulphonides
   C. Lime
   D. Nitrates

   Submitted by: Rashid Mehmood

10. For glavinizing of iron which of the following metals is used ?

    A. Aluminimum
    B. Copper
    C. Zinc
    D. Lead

    Submitted by: Farhan Rana