Options:
- A. Ice
- B. Diamond
- C. Sucrose
- D. Plastic
View Answer
D. Plastic
Chemistry
Covalent network crystals have_____________?
Options:
- 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
View Answer
A. higher melting point then molecular crystals
What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called?
Options:
- A. Paint
- B. Glass
- C. Gun Powder
- D. Cement
View Answer
C. Gun Powder
Diameter of an atom is in the order of________________?
Options:
- A. 0.2m
- B. 0.2mm
- C. 0.2nm
- D. 0.2pm
View Answer
C. 0.2nm