Viscosity of a liquid________by increasing temperature?

Related Mcqs:

1. On increasing the temperature the rate of reaction increases mainly because_________________?

   A. The activation energy of the reaction increases
   B. Concentration of the reacting molecules increases
   C. Collision frequency increases
   D. None of these

2. The viscosity of solids is________________?

   A. Infinite
   B. Negligible
   C. Medium
   D. No concept of viscosity in solid

3. The reciprocal of the coefficent of viscosity is called__________?

   A. Density
   B. Specific gravity
   C. Fluidity
   D. Absorbance

   Submitted by: Muhammad Ali Kunbhar

4. Which of the following is unit of Viscosity?

   A. Decibell
   B. Torr
   C. Poise
   D. Hertz

   Submitted by: Zahid Jagirani

5. Which instrument is used to measure the viscosity.?

   A. Hygrometer
   B. Hydrometer
   C. Anemometer
   D. Viscometer 

   Submitted by: Zahid Jagirani

6. If a graph is plotted between temperature on x-axis and volume on y-axis for 1 mole of gas then we get straight line which cuts the temperature exis at________________?

   A. 0?C
   B. 273.16K
   C. ?273.16 K
   D. ?273.16?C

7. The atomic radii decreases by increasing atomic number in________________?

   A. Alkali metal
   B. Alkaline earth metal
   C. Elements from Li to Ne
   D. Halogens

8. True increasing order of acidity of the oxides of Mn is_________________?

   A. MnO < MnO2 < Mn2O7
   B. Mn2O7 > MnO2 > MnO
   C. MnO2 > MnO > Mn2O7
   D. MnO2 > Mn2O7 > MnO

9. Surface Tension ________with increasing the surface area of liquid?

   A. Decreases
   B. Increases
   C. Remains Same
   D. None

   Submitted by: Zahid Jagirani

10. For a gas where volume and pressures are 1dm3 and 2 atm respectively what should be its new volume when pressure is increased to 6 atm at constant temperature ?

    A. 1/2dm3
    B. 1/3dm3
    C. 1/4dm3
    D. 2/3dm3