You can get free maths lessons online at www.extra maths work.co.uk
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CBSE Sample Papers for Class 9th, 10th, 11th and 12th are available online on many websites for all subjects including Maths. You can access them for free. Also you can buy sample papers books online. Links to free sample papers and online purchase are given below in related links.
On GOOGLE
yes
You can find NCERT notes for Class 10 Physics online on websites like Vedantu, BYJU's, and TopperLearning for free. Additionally, you can also check out the official NCERT website for free resources.
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Yes ! learn Vedic maths for free here.See related link below for Vedic Maths
You can find free PDF downloads of the Sanskrit Manika textbook for Class 10 on sites like NCERT's official website, various educational resource portals, or by searching on platforms like Google. However, make sure to check the credibility of the source before downloading to avoid any copyright issues.
Tutpup is a maths website that is free!
CBSE Sample Papers for Class 9th, 10th, 11th and 12th are available online on many websites for all subjects including Maths. You can access them for free. Also you can buy sample papers books online. Links to free sample papers and online purchase are given below in related links.
On GOOGLE
yes
Base solutions should be carbonate free because of carbonate interference. They can cause impurities and changes to the concentration in the solutions.
yes