Natural indicators ghar pe kaise banayein?
Short mein jawab
Kai paudhe achhe acid-base indicator bante hain. Garam paani mein bhigoi kuchli pankhudiyon se bana red rose extract acid mein laal aur base mein hara hota hai. Haldi ka kaagaz base mein laal hota hai par acid aur neutral mein peela rehta hai. Chukandar, patta gobhi, jamun aur gudhal bhi kaam karte hain.
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Rang badalne waale paudhe
Litmus lichens se aata hai, par kai doosre paudhon mein bhi aise rangeen padaarth hote hain jo acid aur base ke saath badalte hain. Kuch saral steps se tum phool, sabziyan aur masaale ghar pe hi prakritik indicator bana sakte ho.
Red rose extract
Banaane ke liye phool todne ki jagah laal gulaab ki giri hui pankhudiyan ikattha karo. Mutthi bhar dho lo, khal-batte mein kuchlo aur kaanch ke gilaas mein rakho. Kisi bade ki madad se pankhudiyan dhakne tak garam paani daalo, dhakkan lagaao aur paani rangeen hone tak 5 se 10 minute ruko. Chhaan lo; rangeen dravya tumhara indicator hai.
Do chhoti botalon mein extract ki 10 se 20 boondein daalo. Ek mein nimbu ka ras aur doosre mein saabun ka ghol daalo. Nimbu ka ras ise laal aur saabun ka ghol hara kar deta hai. Baaki namoonon ki jaanch litmus jaise hi teen samooh deti hai: acid ke liye laal, base ke liye hara aur neutral ke liye koi badlaav nahi.
Haldi ka kaagaz
Ek chammach haldi thode paani ke saath milaao, filter paper ko peela hone tak paste mein dubaao, sookhne do aur pattiyon mein kaat lo. Saabun ya baking soda ke ghol ki ek boond patti ko laal kar deti hai, par nimbu ka ras, sirka, cheeni ka ghol aur namak ka ghol use peela hi chhodte hain. Isliye haldi base pakad sakti hai par acid ko neutral padaarth se alag nahi kar sakti. Isiliye safed kameez pe sabzi ke daag pe saabun lagaane se wo laal ho jaata hai.
Aur paudhon ke indicators
Isi tarah chukandar, baingani patta gobhi, jamun aur laal gudhal se extract bana sakte ho. Paudhe khud bhi jawab dete hain: hydrangea ki jhaadiyan acidic mitti mein neele aur basic mitti mein gulaabi ya laal phool khilaati hain. Namoona jaanchte waqt do-teen indicators aazmaao: sab ek hi baat kahein to nateeje pe bharosa karo. Extract thandi jagah rakho aur har kuch din mein naya banao, kyunki paudhon ke rang samay ke saath feeke padte hain.
Gandh se pehchaanne waale indicators
Kuch padaarth rang ki jagah apni gandh badalte hain; inhe olfactory indicators kehte hain. Saaf kapde ki pattiyan bareek kati pyaaz ke saath band dibbe mein raat bhar rakho. Imli ke paani, ek acid, ki boond patti pe pyaaz ki gandh rehne deti hai, par baking soda ke ghol, ek base, ki boond use uda deti hai. Aise indicator un logon ki madad karte hain jo rang nahi dekh sakte.
Secret sandesh
Indicators se mazedaar trick banti hai. Saabun ke ghol se sandesh likho, sookhne do, phir haldi ka ghol spray karo: kaagaz peela ho jaata hai aur shabd laal ubhar aate hain. Chapter ke science mele ke swaagat waale kaagaz shaayad aise hi bane the. Ashwin ne isi vichaar se apne teacher ke liye Guru Purnima ka card banaaya, haldi ke kaagaz pe Odia mein likhkar.
Ye kyun zaroori hai
Prakritik indicators se koi bhi ghar pe phoolon aur masaalon se padaarth jaanch sakta hai. Litmus test acids, bases aur indicators mein seekho, acid aur base kaise ek doosre ko khatm karte hain ye neutralisation kya hai mein dekho, aur kitaab ke har sawaal ka jawab Chapter 2 ke NCERT solutions mein paao; poore Chapter 2 ke notes bhi dekho.
Practice karo
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Red rose extract kya daalne pe laal hota hai?
Jawab dekho
Jawab: (b) Nimbu ka ras
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Haldi ka kaagaz kinhe alag nahi kar sakta?
Jawab dekho
Jawab: (b) Acid aur neutral padaarth
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Olfactory indicator kya hai?
Jawab dekho
Jawab: (b) Jo gandh badle
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Ashwin ne apne teacher ke liye haldi ke kaagaz pe sandesh likha. Usne kisse likha hoga, aur akshar kis rang ke honge?
Jawab dekho
Jawab: Kisi basic ghol se, jaise baking soda ka ghol, saabun ka ghol, washing powder ka ghol ya choone ka paani. Jahan base peele haldi ke kaagaz ko chhoota hai, wahan wo laal ho jaata hai, isliye akshar laal dikhte hain.
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Haldi ka kaagaz banaane ke steps likho.
Jawab dekho
Jawab: Ek chammach haldi (ya pisi taazi haldi) thode paani ke saath milaakar paste banao, filter paper ko peela hone tak usme dubaao, sookhne do, aur patli pattiyon mein kaat lo.
Students ke sawal
Phoolon se prakritik indicator kaise banta hai?
Laal gulaab jaise rangeen phool ki giri hui pankhudiyan ikattha karo, mutthi bhar dhokar khal-batte mein kuchlo, aur gilaas mein rakho. Bade ki madad se unhe dhakne layak garam paani daalo, dhakkan lagaao aur paani rangeen hone tak 5 se 10 minute ruko. Chhaan lo; rangeen dravya tumhara indicator hai.
Kaunsi sabziyan aur phool indicator ki tarah use ho sakte hain?
Laal gulaab ke alaawa chapter chukandar, baingani patta gobhi, haldi, jamun aur laal gudhal sujhata hai. Isi tarah extract banao aur use nimbu ke ras jaise acid aur saabun ke ghol jaise base se jaancho.
Hydrangea ke phool rang kyun badalte hain?
Himalaya aur Northeast ke thande pahaadi ilaakon mein ugne waale hydrangea acidic mitti mein neele aur basic mitti mein gulaabi ya laal phool dete hain. Isliye maali mitti ko zyaada acidic ya zyaada basic banaakar phool ka rang badal sakte hain.
Koi sawal atak gaya?
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