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Transfer policy punjab education department

on May 26, 2020

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Transfer policy

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What is difference between phenyl, benzyl, benzal and benzo group?

What is difference between phenyl, benzyl, benzal and benzo group ? When one H atom is replaced from benzene, then resulting group is called phenyl. When benzene is directly attached with CH 2 - group, resulting group is called benzyl group . When benzene is directly attached with CH- group, resulting group is called benzal group . When benzene is directly attached with C- group, resulting group is called benzo group. Note: The valence of C atom must be 4

Coronavirus: Oxford University to resume vaccine trial after pause

Coronavirus: UK latest news about COVID-19, Oxford University to resume vaccine trial after pause On Tuesday, AstraZeneca said the examinations were being stoped, on the grounds that they are attempting to discover while it researched whether the antagonistic response was connected with the immunization. Yet, on Saturday, the college said it had been considered safe to proceed. Wellbeing Secretary Matt Hancock invited the news that the preliminaries would continue. "This interruption shows we will consistently put wellbeing first. We will back our researchers to convey a successful antibody when securely conceivable," he included. "Due to a reported side effect in a patient in the United Kingdom (UK), trials of a Covid-19 vaccine being advanced by AstraZeneca and Oxford University will resume after being paused" The college said in an explanation that it was "normal" that "a few membe...

Why is the atom overall electrically neutral although it has negative charged electron and positive charge proton?

Atom is an neutral partical: The electron has (-) charge and proton has (+) charge in an atom. The atom has an equal number of electrons and protons, it has an equal number of negative electric charges and positive electric charges. Therefore, the total charge on atom is zero and the atom is called as neutral. E.g: Na is a neutral partical. Note: In case of charge species, atom can never be a neutral partical, e.g Na +1 is not a neutral partical.

Transfer policy punjab education department

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