Everyday Science MCQs

5120 MCQs  (Page 164 of 512)

In solids the temperature is the measure of__________________?
A. Average kinetic energy of molecules
B. Vibrational kinetic energy
C. Translational kinetic energy
D. None of the above
Fruit juices and fizzy drinks such as lemonade are often sold in aluminium cans. What is the most important reason aluminium is a suitable metal ?
A. Aluminium can be recycled
B. Aluminium has very low density
C. Aluminium is the most abundant metal in the earth crust
D. Aluminium is resistant to corrosion by organic acids.
Which of the following points are important in connection with equilibrium constant ?
A. Kc is constant at given temperature
B. Kc is unaffected by change in concentration of reactants or products
C. Kc indicates the extent of reaction but not about the rate of reaction.
D. All of the above
The unit of molality is__________________?
A. Moles dm-3
B. Moles kg-1
C. Gram dm-3
D. None