Dear sir please upload class 11 chemistry sample paper solutions 2022-2023
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Is there any trick to learn all the elements with their valences.
Please help using the method which is applicable for 11th standard CBSE.
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Dear sir please upload class 11 chemistry sample paper solutions 2022-2023
Is there any trick to learn all the elements with their valences.
Please help using the method which is applicable for 11th standard CBSE.