Related Questions

The forms in which various metals and non metals occur in nature are called minerals. Which of the following is not a metallic ferrous mineral?
A Cassiterite
B Sphalerite
C Chalcopyrite
D Calcite
Which of the following metals occurs in free state ?
A Copper
B Iron
C Zinc
D Lead
Which property of metals enables production of metallic foils?
A Malleability
B Ductility
C Sonority
D Conductivity
A crescendo of metallic thuds arose from the market, where the iron-smiths were . . . . . . . . the pieces of metals.
A hammering
B flattening
C thrashing
D striking
A crescendo of metallic thuds arose from the market, where the iron-smiths were ...... the pieces of metals.
A flattening
B striking
C hammering
D thrashing
There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant?
A Mercury
B Arsenic
C Aluminium
D Lead
Which of the following metals forms an amalgam with other metals?
A Tin
B Mercury
C Lead
D Zinc
Which of the following metals form an amalgam with other metals ?
A Lead
B Tin
C Zinc
D Mercury
A metalloid possesses the characteristics of both the metals and non-metals. Which of the following is not a metalloid?
A Arsenic
B Antimony
C Lead
D None of these
An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is
A Cutting speed
B Feed rate
C Shear angle
D Tool geometry

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