Hello Aspirant,

Hope you are doing well!!

Yes, Surface Chemistry form NCERT is Enough for JEE Mains. Chemistry is mostly theory based part. there are  less numerical part. Theory cover mostly part of Chemistry. Chemistry is like learning Oriented subject. So, NCERT is enough for Chemistry. JEE Mains paper are

Hello aspirant,

Yes you may order of the books of 11th NCERT from the Amazon they will deliver you the best quality product and also they may give you some discount and offers if you are eligible for it.

don't worry the quality of the books will be up to

Dear Student,

In Agra local shops the discount may be higher than online purchasing. So in my opinion I am suggesting you to purchase from online shopping. It can be Amazon, Flipkart and others too.

It will take approximately 1000 INR to buy these books in online, with discount.

Thank

Hello aspirant,

Hope you are doing well!!

You can prepare short notes while reading with NCERT. Short notes help you to revise at last min. While making notes you can not forgot any thing. when you are solving sample paper at any point you stuck you can revise with notes.

Hi student,

Yes, this time and every time class12 boards exam paper is from NCERT only. Board asks nothing beyond NCERT. Yes, you may get some questions that are not directly asked but directly or indirectly everything is from NCERT only. So, if you want something extra beyond NCERT, then

Hello candidate,

The formula for calculating out the formal charge of a compound is given by the formula- Formal Charge = [Number of valence electrons on atom] – [number of non-bonded electrons + number of bonds].

Hence, using this formula we get the formal charge on phosphate ion equal to