A. ionic substances
B. metallic substances
C. molecular solids
D. covalent network solids
Submitted by: Mansoor Ul Haque
Related Mcqs:
- Which is least Conductor of Electricity among the following?
A. Wood
B. Copper
C. Iron
D. WaterSubmitted by: Mian Jamil Shah
- Which metal is pure conductor of electricity?
A. Copper
B. Gold
C. Silver
D. leadSubmitted by: Wajahat Ali
- Which one of the following non-metals is not a poor conductor of electricity?
A. Sulphur
B. Selenium
C. Bromine
D. PhosphorusSubmitted by: Sufi Mukhtiyar
- Which of the following is good conductor of heat but bad conduct of electricity?
A. Aluminium
B. Titanium
C. Abestos
D. MicaSubmitted by: Abid Hussain
- Which one of the following substances conducts electricity by the movement of ions ?
A. Graphite
B. Copper
C. Molten sodium chloride
D. Mercury - The best conductor of heat among liquid is___________?
A. Water
B. Mercury
C. Ether
D. AlcoholSubmitted by: Fahad Mehsud
- Sound travels_______ in solid materials then liquid?
A. Constant
B. Slowest
C. Fastest
D. None of theseSubmitted by: Ghulam Murtaza
- Change of state form liquid to solid is _________?
A. Boiling
B. Freezing
C. Evaporation
D. None of theseSubmitted by: Rafi Umar
- As a substance moves from a solid to a liquid all of the following changes occur except ?
A. molecules become more disordered.
B. K.E of the molecules decreases
C. intermolecular forces become weaker.
D. molecules move more frequently. - The process in which solid changes directly into vapours without passing through liquid state?
A. Decantation
B. Sublimation
C. Evaporation
D. NoneSubmitted by: Naintara Mustafa