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Q. Electrodialysis method is employed in the colloidal chemistry for the purpose of :

Q. Auxiliary emulsifying agents are used to stabilize the emulsion. They act on the principle:

Q. The unit of activation energy is

Q. Which of the following is the half life of zero order reaction

Q. Climatic zone II is

Q. Which one of the following colloids is difficult to prepare?

Q. An emulsifier can be regarded as superior, if its mechanism of action is based on the principle of:

Q. Which of the following properties of a particle significantly affects the physical, chemical and biological properties of the drug?

Q. The half life of a first order reaction is 4 years. What is its shelf life (in years)?

Q. The integral rate equation for a reaction (in common notation) is written as log C = log Co - (kt/2.303). When a graph is drawn log c vs. t, the slope will be: