-
Which of the following is false concerning a covalent bond? ...
-
The compound which contains ionic as well as covalent bonds is ...
-
Covalent molecules have low melting points because ...
-
The strength of C-C bond in C2H4 is ...
-
The no. of σ and π bonds in C2H4 is ...
-
The strength of σ bond ...
-
Lateral overlap of p-orbitals leads to the formation of ...
-
σ bond may be formed by ...
-
Which of the following properties of emulsions differ from colloidal sols? ...
-
Cod liver is an example of ...
-
micelles are ...
-
Which one of the following is a surfactant? ...
-
Emulsion is a colloidal dispersion of ...
-
When a colloidal solution is observed under an ultra microscope is, we can see ...
-
Random motion of colloidal particles is known as ...
-
Which of the following sols can be prepared by mixing? ...
-
The process of preparation of a colloidal sol from a precipitate is called ...
-
Colloidal gold is prepared by ...
-
A colloidal dispersion of gas in a liquid is called ...
-
Milk is an example of ...
-
Which of the following is false? ...
-
The size of colloidal particles is ...
-
Keeping temperature constant, with the increase in pressure adsorption ...
-
The heat of adsorption in chemisorption is ...
-
Which of the following is incorrect for physisorption? ...
-
With the increase in temperature, adsorption ...
-
In physical adsorption, the forces associated are ...
-
Which is adsorbed in maximum amount by activated charcoal?(critical temperatures are given) ...
-
In the adsorption process ΔH ...
-
When BaCl2 is dissolved in water, pH of the aqueous solution is ...