Pyrometric cones are designed as slender triangular pyramids to bend under specific temperatures, helping measure kiln heat. Shapes like squares or circles wouldn’t serve the same purpose.
LIST I | LIST II | ||
---|---|---|---|
A | Cones | I | White |
B | Green ware | II | Blue |
C | Cobalt Oxide | III | Bend under heat |
D | Porcelain | IV | Bisque-fired |
LIST I | LIST II | ||
---|---|---|---|
A | Bisque firing | I | Second firing |
B | Glaze | II | First firing |
C | Pyrometric cones | III | Temperature measuring |
D | Pyrometer | IV | Pyramid shape |
Europium (Eu) resembles Calcium (Ca) in the following ways:
(A). Both are diamagnetic
(B). Insolubility of their sulphates and carbonates in water
(C). Solubility of these metals in liquid NH3
(D). Insolubility of their dichlorides in strong HCI
Choose the correct answer from the options given below: