Dear aspirant,

For chemical bonding just follow blindly the ncert questions and there is a handbook for chemistry which is arihant chemistry handbook. Just memorize and practice this two you won't require any other thing to practice .

For questions papers of jee mains check out this link-

https://engineering.careers360.com/articles/jee-main-question-papers

Hi Dear,

You can refer following books for practicing questions:

• NCERT Textbooks (for Class XI and XII )
• Modern Approach to Chemical Calculations by R.C. Mukherjee
• Physical Chemistry by P.W. Atkins
• Arihant's Practice Book Chemistry for JEE Main And Advanced

Also you can visit link below for sample papers:

https://engineering.careers360.com/articles/jee-main-sample-papers

good Luck