A. propane
B. Propanol
C. Propanone
D. Propanoic acid
Covalent network crystals have_____________?
A. higher melting point then molecular crystals
B. lower melting point then molecular crystals
C. discrete molecules linked by Van der waals forces
D. hydrogen bonding
A. BaSO4
B. SrSO4
C. CaSO4
D. MgSO4
A. S
B. Se
C. Te
D. Po
A. ethanol
B. acetic acid
C. ethanol and acetic acid
D. ethanol and sodium acetate
A. Homogeneous catalysis
B. Heterogeneous catalysis
C. Catalysis
D. Ea
A. Surface tension
B. Aqueous tension
C. Vapour pressure
D. Hydraulic pressure