Cone 4 is the standard heat level for bisque firing porcelain. It ensures uniform firing and prepares clay for glazing. Other cones are for different firing stages.
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: