क्या होती है गैस : जेनिफर बोथ्राँयड द्वारा हिंदी पीडीऍफ़ पुस्तक – बच्चों की पुस्तक | Kya Hoti Hai Gas : by Jennifer Bothroyd Hindi PDF Book – Children’s Book (Bachchon Ki Pustak)
Pustak Ka Vivaran : Sabhi Cheejen kisi na kisi Padarth se bani hoti hai. Koi bhi Vastu gherati hai, padarth kahalati hai. Padarth Teen prakar ke hote hai. Gas bhi ek tarah ka padarth hai. hava ek gas hai. Kuchh Gas Aasani se dikhai nahin deti hain. Bhap Garm Gas hai. Kuchh gasen ko ham mahasoos kar sakate hai. Tumhari sans bhee ek tarah ki gas hai. Gas ka apana koi Aakar nahin hota…….
Description about eBook : All things are made of some substance. Any object that surrounds it is called substance. There are three types of substances. Gas is also a kind of substance. Air is a gas. Some gases are not easily visible. Steam is hot gas. We can feel some gases. Your breath is also a kind of gas. Gas has no shape of its own ……..
