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ionic bond has low energy
A covalent bond between two atoms is formed by which of the following: (1) Electron nuclear attraction (2) Electron sharing (3) Electron transfer (
Covalent compounds are generally ...... in water: (1) Soluble (2) Insoluble (3) Dissociated (4) Hydrolysed Ans:
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
Sensory evaluation during product life cycle The basic procedure for developing a new product, and supporting it while marketed, included distinct steps that are constant no
In the study of mechanisms of various chemical reactions, Deuterium and Tritium are used as tracers.
Name a substance which on addition to AgCl causes vacation vacancy in it. Mention a large scale use of the phenomenon called 'reverse osmosis'.
Physical properties of Acetophenone - Aldehydes and Ketones a. Acetophenone is a colourless crystalline solid with melting point 20°C and boiling point 202°C. b. Acetophenon
what transformations take place in photosynthesis?how does glucose help in the formation of ATP from ADP?
what are the differences between positive and negative mesomeric effect
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