Chemistry
Hi Hanifa Balaghie,
Number of particles = Number of moles x 6.022x10(23)
Hi, please specify which exam question bank you are asking for.
Could you please clarify your question by mentioning your class, board, or the specific exam you are preparing for, as chapter-wise Chemistry mock tests vary for Class 11, Class 12, NEET , JEE Mains , or different state boards
Hi,
For chapter-wise important questions and mock practice, you can refer to the official NEET section on Careers360:
NEET Preparation Tips – https://medicine.careers360.com/articles/neet-preparation-tips
NEET Chapter-wise Weightage –
https://medicine.careers360.com/articles/neet-chapter-wise-weightage
NEET Sample Papers –
https://medicine.careers360.com/articles/neet-sample-paper
NEET Previous Year Question Papers – https://medicine.careers360.com/articles/neet-question-paper
These resources provide structured practice, important questions, and detailed solutions
Hi !
The weightage of chemistry of Plus one Chemistry is between 60 - 80.
For JEE Mains 2026 formulas and short notes for Physics, Maths, and Chemistry you can chekc the link below:
https://engineering.careers360.com/articles/jee-main-formulas
Hi Deepthi rajesh,
Molar mass of $\mathrm{H}_2 \mathrm{O}$
$$ \begin{aligned} & =2 \times 1+16=18 \mathrm{~g} / \mathrm{mol} \\ & \text { Mass }=\text { moles } \text { × } \text { molar mass } \\ & =1.2 \times 18 \end{aligned} $$
Dear Candidate,
Please share your exact rank and your category so that i can provide you with a clearer and more accurate answer.
Hello, you may find the downloaded chemistry formula sheets in the file manager of your computer. However, you can find important chemistry formulas for NEET in the link below. Important Chemistry Formula For NEET 2026
Candidates can check the Class 12 PYQs for all the subjects,, including Chemistry, here https://school.careers360.com/boards/cbse/cbse-previous-year-question-papers-class-12
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