Bissoy.com
Doctors Medicines MCQs Q&A

Related Questions

Which of the following types of inter molecular interactions or forces is/are called van der Waals forces? 1. London forces 2. Dipole - dipole forces 3. Dipole - induced dipole forces 4. Hydrogen bonding Choose the correct code:
If the adsorption is due to the weak van der waals forces between adsorbent and adsorbate, it is termed as 
In physical adsorption the enzymes are attached to the matrix through hydrogen bonding, van der Waals forces, or hydrophobic interactions; whereas in ionic bonding, the enzymes are bound through?
Dipu wants to paint all the four walls of his room. All the walls are of rectangular shape and opposite walls are of same measurement. If the size of the walls are 4 m x 3.5 m and 4.5 m × 3.5 m and cost to paint the wall is Rs. 22 per square meter, what will be the total cost to paint the walls?
Weak forces like hydrophobic interactions and Van der Waal forces can be safely neglected at nanoscale as they are neglected in bulk solutions.
Van der Waals forces are the only attractive forces present in nonpolar compounds.
Which of the following statement about the force of attraction between the particles is/are correct? The force of attraction between the particles of the same substance is known as cohesion. The force of attraction is maximum in the particles of solid matter and minimum in the particles of gaseous matter.
The particles that makeup lattices of the Van Der Walls crystals, ionic crystals and covalent crystals are respectively
In van der walls crystals, there exists a high degree of stability of the outer electron shell.
Consider the following statements in connection with thermoplastics: 1. They are long-chain molecules held together by van der Waals' forces. 2. They cannot be resoftened once they have set and hardened. 3. They are highly plastic and are easy for shaping. 4. Some commercial thermo-plastics are polyethylene, polystyrene and PVC. Which of the above statements are correct?