Hearing loss that is caused by a problem in the middle or external ear are called conductive hearing losses. Such difficulty in hearing occurs when problem lies in the conduction of sound to the cochlea.
The cause of such impairment is
☛ Excessive wax in the ear canal
☛ Fluid accumulated in the ear due to infection
☛ Discontinuity between the ossicles
What are the compounds used for extraction of Gold and Silver?
Give the chemical formula for Borax.
Give the formula for Peral Ash.
What are the raw materials used for the precipitation of Na2Co3 by Solvay ammonium Process?
In downs process sodium metal is extracted by the electrolysis of? In nelsons cell NaoH is prepared by electrolysis of.
In the extraction of sodium by cartners process the by-products formed are.
Which element in 1A group is lighter than water?
Which property among the following generally decreases from top to bottom in a group 1A? 1. Electropositive, Density, Basic nature, classical reactivity
Which element in 1A group does not form peroxides?
Alkaline metals when dissolved in ammonium (NH3) act as better conductor and better reducing agent what is the reason behind it?
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