Special features of borate glass is that it is_________________?

Related Mcqs:

1. Sintered glass is a porous material used for ___________________?

   A. absorption
   B. adsorption
   C. filtration
   D. sublimation

2. One of the outstanding features of boron is its ability to form__________________?

   A. Molecular addition compounds
   B. Molecular crystals
   C. Semiconductors
   D. Ionic compounds

3. Borax is a white crystalline solid and it is_________________?

   A. More soluble in cold water
   B. More soluble in hot water
   C. Insoluble in water
   D. Soluble only in organic solvents

4. Aluminium oxide is_________________?

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

5. On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?

   A. pink
   B. black
   C. yellow
   D. brick red

6. Conjugated base of a weak acid is_________________?

   A. weak
   B. strong
   C. moderately weak
   D. unstable

7. The common name of propane 1 3-dioic is_________________?

   A. Oxalic acid
   B. Aromatic acid
   C. Malonic acid
   D. Fumaric acid

8. On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?

   A. pink
   B. black
   C. yellow
   D. brick red

9. The anhydride of HCIO4 is_________________?

   A. Cl2O
   B. Cl2O6
   C. ClO2
   D. Cl2O7

10. An alcohol which can be prepared by fermentation is_________________?

    A. CH3OH
    B. C3H7OH
    C. CH3 – CH2 – OH
    D. C6H5OH