ICSE /Class 6
Chemistry MCQ Based On Chemistry meaning and importance
Our free online Chemistry test quiz for Class 6, ICSE will assist you to improve your Chemistry skills on every concept in a fun interactive way.
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ICSE Class 6 Chemistry Chemistry meaning and importance
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Na= 22.98 g/mol
Cl= 35.5 g/mol
Biology and Chemistry
There will be a positive charge on the atom
Protons+neutrons
Biology and chemistry
It cannot be decomposed into simpler substances by ordinary chemical processes.
It is represented by Z.
1 mol of C= 12gm
1 mol of Mg= 24 gm
Molecular mass of O2= 32
Neither positive nor negative
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