Dear aspirant
Thankyou for asking your doubt.

For chemistry yes you can use errorless.
Also if you can Solve Aakash study material and allen study material it can be helpful. You can also use modern abc.
You can see dushyant kumar sir's channel on youtube. He gives certain short tricks as well which saves time during exam.
All the best.

Hello Gautam, 

yes you can 

but that shouldnt be the only book you refer to

I can suggest a few books that are helpful

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