रसायन विज्ञान भाग 1 (रसायन विज्ञान) – कक्षा 11 एन. सी. ई. आर. टी. पुस्तक | Rasayan Vigyan Part 1 (Chemistry) – Class 11th N.C.E.R.T Books
Pustak Ka Vivaran : vigyaan ko maanav dvaara praakrti ko samajhane aur usaka varnan karane ke lie gyaan ko vyavasthit karane ke nirantar prayaas ke roop me dekha ja sakata hai. aapane apanee pichhalee kakshaon me jaana kee ham preetidin prakrti me upasthit vibhinn padaarthon aur uname parivartan ko dekhate hai. doodh se dahi banana, lambe samay tak ganne ke ras ko rakhane par usase siraka banana aur lohe me jang lagana parivartanon ke kuchh aise udaaharan………….
Description about eBook : Science can be seen as a continuous endeavor to manipulate knowledge to understand and describe nature by humans. You go to your previous classes that we see different substances present in nature and changes in them. To make yogurt from milk, keeping sugarcane juice for long periods of time, making vinegar and rust in iron are some examples of changes……………
