ICSE Class 7 Chemistry Elements And Compounds
- What is Co6. What is radicle. What is define of veleoncy. What is the charge of potassium charcolate. How atom and molecules differ. Difference between element and mixture. What is nitre.
- What is the charge of pottasium chlorate
- what is radical ?
- what is define of valency?
- how atoms molecules and radicals differ
- difference between elements and mixtures ????
- What is Radical?
- Why is atmospheric nitrogen is havier than chemical nitrogen
- What is nitre
- A.....is formed by the combination of the atoms
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