A. copper
B. ice
C. diamond
D. graphite
Related Mcqs:
- Which of the solid does not contain covalent bond________________?
A. Copper
B. Ice
C. Diamond
D. Graphite - 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 bondingSubmitted by: Mansoor Ul Haque
- Which one of the following has polar covalent bond ?
A. HF
B. CH4
C. H2
D. N2 - Which of the following does not contain phosphorus ?
A. Yolk of egg
B. Bone
C. Nerves
D. Steel - The inhaled breath of diabetics patient contain acetone. A medical student wishes to test for diabetes by asking patient to bubble their breath through a reagent ?
A. alkaline aquenous iodine
B. aqueous bromine
C. Fehling solution
D. aqueous NaOH - Which of the following alloys contain(s) Cu and Zn?
A. Bronze
B. Brass
C. Gun-metal
D. Type metalSubmitted by: Muhammad Ali Kunbhar
- Commercial detergents contain mainly _____________?
A. RCOON
B. RONa
C. RSNa
D. ROsO3Na
Muhammad Ali Kunbhar - Atoms of all the elements always contain in nucleus:
A. Proton and neutron
B. Neutron and electron
C. Proton
D. NeutronSubmitted by: Shumail Bashir
- The second nuclear weapons used in warfare over Nagasaki, Japan, contain energy equal about of TNT?
A. 1.5 kilotons
B. 20 kilotons
C. 25 kilotons
D. 30 kilotonsSubmitted by: Said wali shah
- 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.