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

Related Mcqs:

1. Non-metals usually form _________________ oxides?

   A. Acidic
   B. Amphoteric
   C. Neutral
   D. All of the above

2. The oxides of beryllium BeO is_______________?

   A. Acidic
   B. Basic
   C. Amphoteric
   D. Neutral

3. Arsenic oxides are removed by passing through_________________?

   A. Ferric hydroxide
   B. Sodium hydroxide
   C. Calcium hydroxide
   D. Aluminium hydroxide

4. Which of the following oxides of iodine is used for quantitative analysis of CO ?

   A. I2O4
   B. I4O2
   C. I2O5
   D. All are equally useful

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

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

6. 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

7. Viscosity of a liquid________by increasing temperature?

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

   Submitted by: Zahid Jagirani

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

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

   Submitted by: Zahid Jagirani

9. The reduction potential Zn is_________________?

   A. 0.76
   B. -0.76
   C. -0.55
   D. 0.55

10. Aluminium oxide is_________________?

    A. Acidic oxide
    B. Basic oxide
    C. Amphoteric oxide
    D. It does not exists