Covalent network crystals have _________ ?
A. . hydrogen bonding
B. lower melting point then molecular crystals
C. discrete molecules linked by Van der waals forces
D. higher melting point then molecular crystals
CHEMISTRY MCQS
Everyday General Science MCQs cover topics such as Chemistry MCQs. Types of Chemistry include Organic Chemistry, Inorganic Chemistry, Physical Chemistry, Analytical Chemistry, Biochemistry, Environmental Chemistry, and Industrial Chemistry. We have provided Chemistry questions with answers and explanations.
What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called ?
A. Paint
B. Gun Powder
C. Glaass
D. Cement
Diameter of an atom is in the order of __________ ?
A. 0.2nm
B. 0.2mm
C. 0.2am
D. 0.2pm
Electron was discovered by ?
A. Michael Faraday
B. J.J Thomson
C. Yuri Gagarin
D. James Maxwell
Radioactive isotope of hydrogen is called________?
A. protium
B. deuterium
C. tritium
D. ortho-hydrogen
The soul of chemistry is dealing with___________?
A. Internal structural changes in matter
B. Composition of matter
C. Properties of matter
D. Composition and properties of matter