The oxides of beryllium BeO is_______________?

Related Mcqs:

1. Non-metals usually form _________________ oxides?

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

2. 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

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. Solubility of CaF2 is 2.0×10-4 gdm-3 then Ksp of CaF2 is_______________?

   A. 4.0 x 10-8
   B. 3.2 x 10-11
   C. 2.0 x 10-8
   D. 4.0 x 10-12

6. The atomic number of an element having maximum number of unpaired electrons in p-subshell is_______________?

   A. 7
   B. 10
   C. 12
   D. 16

7. The weakest (in strength) of the following intermolecular forces is_______________?

   A. Hydrogen bonding
   B. Vander Waals force
   C. Forces among the polar molecules
   D. Ionic bond

8. Enzyme proved useful in cancer treatment is_______________?

   A. Lactic dehydrogenase
   B. Alkaline phosphatase
   C. L-asparaginase
   D. Cellulase

9. Substance which is found in dried up lakes of Tibet and California is_______________?

   A. Tincal
   B. Boric acid
   C. Calcium carbonate
   D. Colemanite

10. The colour of chlorine gas is_______________?

    A. pale yellow
    B. freenish yellow
    C. reddish brown
    D. grayish black