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How rusting of iron is envisaged as setting up of an electrochemical cell? Solution) Rusting of Iron is due to corossion. Rust is an Fe 2 O 3 .xH 2 O Theory of Rusting :
which coating is better for steel. Tin or zinc?
Electrovalent compound's: (1) Melting points are low (2) Boiling points are low (3) Conduct current in fused stat (4) Insoluble in polar solvent Ans: Conduct curre
Dual nature of particles was proposed by: (1) Heisenberg (2) Lowry (3) de-Broglie (4) Schrodinger Ans:de-Broglie
An ion has 18 electrons in the outermost shell, it is: (1) Cu + (2) Th 4+ (3) Cs + (4) K + Ans
Cross linked polymers : 1. These are polymers where monomers unit are crosslinked together to make a three dimensional network polymers. 2. These kind of polymers are hard,
It can be because these group tend to decrease the electron density when attached to a benzene or other ring structure preferentially at ortho and pera position.
The molecule having one unpaired electron is: (1) NO (2) CO (3) CN - (4) Fe Ans: NO
Methane - Members of Alkanes It is also termed as marsh gas. (i) Industrial method of preparation: Mathane gas is acquired on a large scale from natural gas by liquefactio
What is the advantage of using a flame photometer instrument designed to operate with an internal standard ?
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