Chemistry
please click on the Given link to know more about it. Click here
Dear Student,
You can download 1st PUC Chemistry model question paper with key answers here: Karnataka Board 1st PUC Model Question Paper 2026 (All Subjects)
Hope this helps you.
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 $\mathrm{H}_2 \mathrm{O}$
$$ \begin{aligned} & =2 \times 1+16=18 \mathrm{~g} / \mathrm{mol} \\ & \text { Mass }=\text { moles } \text { × } \text { molar mass } \\ & =1.2 \times 18 \end{aligned} $$
The Question containing Inaapropriate or Abusive Words
Question lacks the basic details making it difficult to answer
Topic Tagged to the Question are not relevant to Question
Question drives traffic to external sites for promotional or commercial purposes
The Question is not relevant to User
And never miss an important update