Gold and Silver are known as _________ metals ?

Related Mcqs:

1. Basic metals can be converted into gold by ?

   A. Heating
   B. Beating
   C. Artificial nuclear radioactivity
   D. Chemical reaction

2. 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

3. Which metal known as quick silver ?

   A. Mercury 
   B. Sulphuric acid
   C. Chromite
   D. Quartz

   Submitted by: Mansoor Ahmed Suhag

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

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

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

   Submitted by: Ashfaque Ali Khoso

6. German Silver is an alloy of___________?

   A. Zn + Ni
   B. Cu + Zn
   C. Cu + Ni
   D. Cu + Sn
   E. None of these

7. At what temperature does silver melt?

   A. 275 °C
   B. 327 °C
   C.961.8 °C
   D. 100 °C

   Submitted by: ABDUL HAYEE

8. Silver fish is the name of__________?

   A. Insect
   B. Fish
   C. Bird
   D. Mammal

   Submitted by: shahid

9. With the rise in temperature, metals conductivity____________?

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

   Submitted by: Muhammad Mumtaz Haider

10. 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