A. hydrogen bonding
B. irregular shape of the molecules
C. irregular shape of the molecules and strong inter-molecular forces
D. greater molecular size
Submitted by: Mansoor Ul Haque
Month: March 2018
A. Ice
B. Diamond
C. Sucrose
D. Plastic
Submitted by: Mansoor Ul Haque
A. ionic substances
B. metallic substances
C. molecular solids
D. covalent network solids
Submitted by: Mansoor Ul Haque
A. Sea water
B. Brass
C. Tape water
D. Graphite
E. Sand
Submitted by: Mansoor Ul Haque
A. smallest indivisible particle in an element
B. smallest particle of an element which can undergo a chemical reaction
C. building block of an element
D. always smaller than molecule
Submitted by: Mansoor Ul Haque
A. Precision and accuracy should go side by side in a scientific work
B. Scientific work must be precise, accuracy is not essential
C. Scientific work must be accurate, precision is not essential
D. Calculations must be made before any experiment
Submitted by: Mansoor Ul Haque
A. 2.5
B. 2.0
C. 1.75
D. 1.5
E. 1.25
Submitted by: Mansoor Ul Haque
A. the magnitude of its average velocity over the interval
B. the distance covered during the time interval divided by the time interval
C. one-half its speed at the end of the interval
D. its acceleration multiplied by the time interval
E. one-half its acceleration multiplied by the time interval
Submitted by: Mansoor Ul Haque
A. Gram
B. Pound
C. Kilogram
D. Ounce
Submitted by: Mansoor Ul Haque
A. 0.01m
B. 0.1m
C. 1m
D. 10m
E. 100m
Submitted by: Mansoor Ul Haque
