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How to revise Digestive system in an easy way?

By ankushmaster on April 15, 2020December 17, 2020

Human digestive system includes two basic things Alimentary canal 2. Digestive glands 1 Alimentary canal : human alimentary canal is basically a pipe of varying diameter which is designed for the maximum absorption of food. human alimentary canal is complete that is it two different openings for the ingestion of food and excretion of waste

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chemistry

How to find a lone pair in simple way?

By ankushmaster on April 11, 2020March 11, 2021

Step 1: write the configuration of element and then show the valence elactrons around the symbol of element . Step2: make the bonds around the atom according to its valency and use the electrons for making the bonds. Step3: Now see if there are any unshared electrons pairs. These are your lone pairs. See the

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