Cement does not contain
Cinnabar is an ore of
The man-made transition element is
Which of the following is a carbonate ore?
Which of the following elements does not show variable oxidation states?
Iron obtained from blast furnace is known as
(a) Soft iron
(b) Wrought iron
(c) Pig iron
(d) Hard iron
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
Which of the following aqueous solution will conduct an electric current quite well
(c) Pure water
Which factor effects adsorption?
(c) Surface area
(d) All of these