Railway Science Important Questions | 2022 से 2024 तक ऐसे आ रहे है Science Questions

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Science Magnet

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@sanjuyadava9919 5 ай бұрын

एक दिन अपना सपना भी पूरा होगा एक हाथ में मां का हाथ और दूसरा हाथ मेंजॉइनिंग लेटर होगा🙏🙏🙏🙏🙏🙏🙏👍👍👍👍👍👍👍👍👍👍

@dharmendraanuragi5672 5 ай бұрын

Gajab

@Enjoyment6002SN 5 ай бұрын

Same bhaii mera saath bhi❤❤❤❤

@KamleshYadav-st2kf 5 ай бұрын

Yadav j ap kaha se ho

@motivationalvvv3495 5 ай бұрын

Right✔

@RAJKUMARYADAV-o2o 5 ай бұрын

Ummid Kam Bharosa jyada jab tak bjp rahega pakaura tale

@RAMRAM-es8ox 5 ай бұрын

19 Q/ ANS > Ca(OH)2+CO2 -----------> CaCO3 + H2O SO OPTION C RIGHT✅ 20 Q / ANS > C3H4 ALKYEN BECAUSE ALKYEN FORMULA IS CnH2n-2 SO OPTION D RIGHT✅

@ankitt26 5 ай бұрын

Q 12- the force would be half 30:12 .

@ankitt26 5 ай бұрын

From the question 🙋 we have to double the mass of... ' One object only ' 🙂

@ankitt26 5 ай бұрын

That's why it would be half 🎉

@Miss_Cutekiran0157 5 ай бұрын

19.ans Ca(OH)2+CO2=CaCO3 20.ans (d) alkyne only---> ek corban ek bich tirpal bond hoga aur ek se tin hydrogen aur ek se ek hydrogen judhega

@sadhnagautam8766 5 ай бұрын

Que. 19 - Ca(OH) 2+CO 2 = CaCO3 + H2O (option c) Que. 20 - alkyne only ( CnH2n-2) using formula Thank you sir ❤❤

@SurendraSingh-ky1yr 5 ай бұрын

❤❤

@SurendraSingh-ky1yr 5 ай бұрын

I love you

@criticalopinionseries8799 5 ай бұрын

Surendra mc

@INTUKUMAR-fp3py 5 ай бұрын

I love you Sadhana

@darshannande9308 5 ай бұрын

❤

@suvambiswas6046 5 ай бұрын

7 no question ka answer option (d) [Ar] 4s¹ 3d¹⁰ hoga 19- C --- Ca(OH)2+CO2=CaCO3 20- alkyne

@mithunkumhar1394 5 ай бұрын

Ha 7 Wale me Cu exception hai

@rawatnitesh0007 5 ай бұрын

Bilkul Bhai 7 number main d hoga d kosh pehle bhara jayega

@AbhishekKumar-pc1kq 5 ай бұрын

7 nub que ka ans D hoga aur 13 num que ka ans A hoga

@ANUJKUMAR-ip2tk 5 ай бұрын

Sir question number 7 ka answer option D hoga kyoki Cu or Cr afbau ke नियम ke अपवाद h इसलिए Cu अपनी d upkosh me 10 इलेक्ट्रान रखता h plzz ek par check kar lo 🙏🙏🙏🙏

@sunilmeghwal7120 5 ай бұрын

15/18,nice content sir ji, ❤❤❤,q_19_answer _ca(oH)2+co2_caco3+H2o_option _c, q_20_answer _alkyne_option _d

@AnoopKumar-te5sb 5 ай бұрын

Nice 👍👍👍 session guru ji ❤❤❤ ❤❤❤❤❤❤19 C option, 20 D option ❤❤❤❤❤❤

@ManishaKumari-ik4bp 5 ай бұрын

H.w 1 answer Cao+CO2=CaCo3 H.w 2 answer Alkyne CnH2n-2 C3H3×2-2=C3H4 Thankyou sir ❤❤❤

@muhammadakbaralli1656 5 ай бұрын

12 no. Q , only one mass be double not the both, according to the Q

@aachalgupta9801 5 ай бұрын

Important and superb class sir tq soo much 👑👑👑🏆🏆🏆🏆🏆🏆🏆🏆🏆🏆🏆🏆6 lakh subscriber congratulations sir 🥳🥳

@sscjelover9033 5 ай бұрын

Question no. 19 ca(oh) 2 + Co2=caco3 + h2o Question no. 20 Alkyne, carbon carbon ke beech triple bond Formula CnH2n-2

@lawkushkumar2483 5 ай бұрын

Q7. Cu- [Ar]3d¹⁰ 4s¹ ✅✅✅ संक्रमण तत्व में 9 या 4 इलेक्ट्रॉन के जगह 10,5 लेते है

@sscjelover9033 5 ай бұрын

Question No. 7 explain is good but Copper and Chromium ofbau law ko follow nhi karta , kyuki har koi apne upkosh mai half ya full karne ke liye aisa karte hai Cr - 24 = (Ar) 3d5, 4s¹ Cu-29° (Ar) 3d¹0, 4s¹ Thanks🙏

@subhamsarkar19 5 ай бұрын

Sir 7 ka ans D hi hoga....cu ka ek exception hey....pehle D bharta hey phir S bharta hey....ey group D me bhi aya tha sayed

@Tooncomshorts 5 ай бұрын

Bhai pehle s me jayenge electrons kyuki s wala jyada stable h ye exception h hope aap smjh jaoge

@subhamsarkar19 5 ай бұрын

@@Tooncomshorts ans D hoga na??

@sahmathclasses6270 5 ай бұрын

Please study about quantum number. And full filled and half firld subshell .

@subhamsarkar19 5 ай бұрын

@@sahmathclasses6270 ans batao bas konsa hoga.... option A ki option D

@AmanKumar-vx5ec 5 ай бұрын

option d is right , cu and cr exception hote h@@subhamsarkar19

@biplabchowdhury7887 5 ай бұрын

14 no question anther kaise hoga male felame ek sath Nehi hoga stigma style overy hoga...male female Mila dia ek sath... Male part - anther ,filament hoga

@apurbabanerjee6945 5 ай бұрын

19)-C & (20)-D very nice session sir we Want more like today's session ❤ thanks a lot sir❤

@sumitdhutraj636 2 ай бұрын

19) Q. Ca(OH)2+CO2______ CaCo3 +H2O

@pritamchatterjee2529 5 ай бұрын

19. C Ca(OH)2+ Co2---> Caco3 + H2o 20. d Alkyne general formula- CnH2n-2 So, C3H4

@AnirudhMool-r9g 4 ай бұрын

19)ca(oh)2+CO2=caco3+h2O 20)d

@pratikkumarswain8873 5 ай бұрын

19.carbon dioxide 20.cnh2n-2 formula se alkyne ❤ thank sir

@abhisheksingh8100 5 ай бұрын

19= Ca(OH)2 +CO2= CaCO3 + H2O So answer is calcium hydroxide 20= only alkyne because alkyne formula is CnH2n-2 When C=3 then we find propayne(C3H4)

@virendrapratapyadav4054 5 ай бұрын

Best collection latest question for railway ❤

@ravishankarupadhyay4711 5 ай бұрын

19 Ca( OH)2+ CO2. = Caco3 20 alkyne Thnku sir but sir bhut gkt hota h sir

@Deepakkumar-yl9qg 5 ай бұрын

HW . 19. cao 20. Alkyne Thank you sir ji❣️❣️❣️

@pradipkumardas9763 5 ай бұрын

19/ CALCIUM HYDROXIDE. 20/ ALKYNE ONLY. THANK YOU SIR 🙏

@sanjukumari3152 5 ай бұрын

19-Ca(OH)2,20-d. Sir ek din ki chhuti rhne dena revision k lie please.

@AlpLover2004 5 ай бұрын

HW:-19) CA(OH)+CO2=CACO3+H2O 20)CNH2N-2=C3H4 मे ALKYNE होंगा

@surajkushnekar9133 5 ай бұрын

19 :- ca (oh) 2 +co2 = caco3 + h2O 20 dddd

@arunyadav6430 5 ай бұрын

Sir ji question no 7 me option d hoga Cr,Cu dono apwad h kyuki ardbhare or pudbhare upkosh adhik stayi hote h

@sandeepgupta-sm4fk 5 ай бұрын

19ka ca(oH) 2+co2=caco3+H2o 20.= CnH2n-2 alkyne

@jp_ke_vlogs 5 ай бұрын

Sir question 12 ka answer 1/2 hoga mass sirf ek object ka double hua hai

@mithunkumhar1394 5 ай бұрын

Yes correct

@sanjuyadava9919 5 ай бұрын

Thank you so much guru ji 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏

@souravsaha2054 5 ай бұрын

19)ca(oH)2 20) alkyne

@samratnandi809 5 ай бұрын

yes sir iam alredy watch, your previous video, electric motor please chacked my yesterday comment

@ayushsah6225 5 ай бұрын

Ques no 7 ka d option hoga cr Or cu half field orbital wala concept lgta h usme

@subhamsarkar19 5 ай бұрын

Sir 12 ka question me ek object ka mass double kar ne bola hey...aap do double kar die hey...uska ans option C hoga sir

@VijaykumarBharti-sh4gf 5 ай бұрын

Namaste guru g 🙏🙏🙏🙏🙏 class chalu rakhiye guru g

@avijitjana8058 5 ай бұрын

7 ka ans D hoga ,cu ka electronic configuration hota hai [Ar]3d^104s^1

@manishkumarsaw4780 5 ай бұрын

19 answer =When calcium oxide react with carbon dioxide then it's gives calcium carbonate (CACO3) 20 answer Alkyne it's formula is CnH2n-2

@gkwithsundar1179 5 ай бұрын

19. Ca(OH)2+co2- Caco3

@deepakrai2634 5 ай бұрын

. nice session sir ji thank you 🙏🙏🙏🙏🙏

@dharmendraanuragi5672 5 ай бұрын

Sir aap ki class se mere bhai gd m 125 marks aaye

@senthamilselvan1010 5 ай бұрын

Question no.12 answer is c because they asked mass of one object not two.

@sagarbhadra9971 5 ай бұрын

Nice session sir ♥️

@shashibhushansingh8395 5 ай бұрын

Q19 ka answer=Ca(OH)2 Q20 ka answer= Alkane ❤❤❤

@sanjusahu6613 5 ай бұрын

Sir que. No. 7 Aapka explanation sahi hai but Cu 29 & Cr 24 अपवाद hai

@ChatakRailawyFans 5 ай бұрын

19) Calcium Hydroxide

@MukeshYadav-oj8eu 5 ай бұрын

New batch kab Tak aane wala hai science ka please reply sir 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏

@khushilalkumar9655 5 ай бұрын

Ca(OH) 2 +Co2 ---- Caco3 + H2O

@vishalsingh-94 5 ай бұрын

Ca(oh)२ + Co२---CaCo३+H२O 20 -ALKYnE group😊

@studytimevlogs2268 5 ай бұрын

19--caco3,20-c3H4👈👈👈

@shubhampandey2166 5 ай бұрын

Q.7 ka ans. D hoga [Ar] 4s¹, 3d¹⁰ ✅

@aniketsharma7661 5 ай бұрын

Que. No. 7 ka ans. wrong h... Right ans. is option D.... Bcz aafbau ka apvaad h Cu ka electronic vinyaas

@Learn_With_Bachelor 5 ай бұрын

Sir Q7 ka answer D) hoga...

@nitishmathsclasses7507 5 ай бұрын

🙏🙏 गुरुदेव 🙏🙏

@itz_KD_Meena_0142 5 ай бұрын

19 Ca(OH)2 se 20 elkyan only (C2H2n-2)

@ameetbiharbala4748 5 ай бұрын

Hamare Bihar cury ki chach ki "Aamjhora" bolte h sir

@InderjeetKumar-e7g 5 ай бұрын

Hw 1 c,,HW 2 c ,sir ji Generator ka ek class hona chahiye

@gsstudypoint2181 5 ай бұрын

Q.7 ka ans.D hai

@raviroshan9239 5 ай бұрын

Congratulations🎉🎉🎉🎉🎉sir

@SatishDhakane-k2f 5 ай бұрын

Sir cds ki or question dalo me preparation krta hu🎉

@navalkishoryadav3734 5 ай бұрын

19-c 20-d hoga sir jee ❤❤❤

@abhinavanand475 5 ай бұрын

sir question number 13 ka answer omnivores v hoga n...

@BRAJESHKUMAR-xd6ku 5 ай бұрын

Thank you so much sir for super session 🙏🙏🙏🙏🙏

@sonukunwar98 5 ай бұрын

*19:-C❤❤❤*

@Additerfactvideobyrajesh233 5 ай бұрын

Sir question 7 me d option sahi hai because cromium and copper exception hai

@Subhashsuman-p9k 5 ай бұрын

Alkyne Ca(oh)2 🙏🙏🌹🌹🌹🌹

@amankumarsingh9127 5 ай бұрын

❤❤❤❤❤❤🎉thanks sir

@rupaligupta4238 5 ай бұрын

19 Cao +CO2=CaCO3

@simpeeprajapati8556 5 ай бұрын

Congratulations sir 💐 for 600k

@rahulkushwaha7162 5 ай бұрын

Sir Cu 29 ka electronic configuration me d option hoga book me humne dekha

@29goutamkumarnayak83 5 ай бұрын

Q12 mai one object mass double Diya gya hai app ta two objects ka double kya hai

@jitendrajs9640 5 ай бұрын

20:-ans (d)

@trainyourbrain7627 5 ай бұрын

12 question answer C Mass of one object only is doubled so the answer is option C is correct please reply me sir

@sikandracompetitivemathscl9683 5 ай бұрын

ca[oH]2+co2=caco3 and h2o

@deepakchauhan3428 5 ай бұрын

Done 👍

@Deepakgupta-qo5eq 5 ай бұрын

ALKENE ONLY CaO🎉🎉🎉 Thanks sir

@SuhaniKumari-ob3ds 5 ай бұрын

Option B

@sauravkumarkumar-f9s 5 ай бұрын

qno 7 ans d hoga

@simpeeprajapati8556 5 ай бұрын

Thanks sir 🙏❤😊

@Jeetendrayadav58 5 ай бұрын

Guruji science ke chapter by chapter previous years questions ki class kara do please ❤❤❤

@princekumar-dd9wx 5 ай бұрын

19-c,20-D

@nadeemkhan-zr6kx 5 ай бұрын

Playlist bna dijiye plz

@shaw3859 5 ай бұрын

SIR NCERT CLASS 9 ,10 THA READ KRNA HAI KI 11 12TH🙋🙋🙋🙋🤔🙋🤔🙋

@funnytime7026 5 ай бұрын

❤❤❤❤❤

@sharifahammedmondal2156 5 ай бұрын

Sir 7 ka ans d hoga na sir?? Mene google v dekha usme d e ans hai.... Sir 'd' mai to 10 hoga but usme 4 or 9 nahi hota hai sir isliye 's' ek electron lena parta hai na sir??????????