(a) Magnetite
(b) Limonite
(c) Dolomite
(d) Purargyrite
Answer:
Cement does not contain
(a) Calcium
(b) Sulphur
(c) Iron
(d) Aluminium
Answer:
Cinnabar is an ore of
(a) Zn
(b) Pb
(c) Cu
(d) Hg
Answer:
The man-made transition element is
(a) Hf
(b) Sc
(c) Zr
(d) Tc
Answer:
Which of the following is a carbonate ore?
(a) Malachite
(b) Diapore
(c) Cassiterite
(d) Pyrolysite
Answer:
Which of the following elements does not show variable oxidation states?
(a) Zinc
(b) Copper
(c) Iron
(d) Titanium
Answer:
Iron obtained from blast furnace is known as
(a) Soft iron
(b) Wrought iron
(c) Pig iron
(d) Hard iron
Answer:
In which one of the following Smrutis is found the statement, "the royal charters were written on cloth or copper plate"?
(a) Shankha Smruti
(b) Yagnyavalkya Smruti
(c) Manu Smruti
(d) Parashar Smruti
Answer:
Which of the following aqueous solution will conduct an electric current quite well
(a) HCL
(b) Sugar
(c) Pure water
(d) glycerol
Answer:
Which factor effects adsorption?
(a) Pressure
(b) Temperature
(c) Surface area
(d) All of these
Answer: