Water content in ground refractory material to be shaped into bricks by hand moulding is about _____________ percent?

A. Less than
B. More than
C. Equal to
D. Either more or less; depends on the solvent

A. 2.5
B. 42.5
C. 56
D. 2800

A. Triple point
B. Boyle’s temperature
C. Eutectic point
D. Inversion temperature

A. Kinetic energy
B. Intermolecular forces of attraction
C. Potential energy
D. Total energy

A. H+ ions are absent
B. OH- ions are absent
C. Both H+ and OH- ions are present in very small but equal concentration
D. None of these

A. P/3
B. 3P
C. 9P2
D. 9P