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Mathematics Untold
Индия
Добавлен 23 авг 2018
This video lecture series presented by Mathematics untold is useful to all students of class 11th and 12th of CBSE,ICSE,HBSE ,MP Board and other board of India .
We have try to providing quality content .
Our aim is to provide basic fundamental concept of maths to all the students.
Our video lecture series are useful for IITJEE ,NDA , Engineering Entrance Exam, Board Exam etc.
You can ask any problem on our whatsapp contact 8708168516
We have try to providing quality content .
Our aim is to provide basic fundamental concept of maths to all the students.
Our video lecture series are useful for IITJEE ,NDA , Engineering Entrance Exam, Board Exam etc.
You can ask any problem on our whatsapp contact 8708168516
Q16 Assertion (A) : Aniline is a stronger base than ammonia. Reason (R) : The unshared electron pai
Q16 Assertion (A) : Aniline is a stronger base than ammonia. Reason (R) : The unshared electron pair on nitrogen atom in aniline becomes less available for protonation due to resonance. (A) Both Assertion (A) and Reason (R) are true and Reason (R) is the
correct explanation of the Assertion (A).
(B) Both Assertion (A) and Reason (R) are true, but Reason (R) is not
the correct explanation of the Assertion (A).
(C) Assertion (A) is true, but Reason (R) is false.
(D) Assertion (A) is false, but Reason (R) is true.
#chemistry #class12chemistry #class12chemistryimportantquestions
correct explanation of the Assertion (A).
(B) Both Assertion (A) and Reason (R) are true, but Reason (R) is not
the correct explanation of the Assertion (A).
(C) Assertion (A) is true, but Reason (R) is false.
(D) Assertion (A) is false, but Reason (R) is true.
#chemistry #class12chemistry #class12chemistryimportantquestions
Просмотров: 22
Видео
Q15 Assertion (A) : The pKa of ethanoic acid is lower than that of Cl-CH2COOH. Reason (R) : Chlo
Просмотров 2514 часов назад
Q15 Assertion (A) : The pKa of ethanoic acid is lower than that of Cl-CH2COOH. Reason (R) : Chlorine shows electron withdrawing ( I) effect which increases the acidic character of Cl-CH2-COOH (A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A). (B) Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation ...
Q14 Assertion (A) : Separation of Zr and Hf is difficult.Reason (R) : Zr and Hf have similar radii
Просмотров 1916 часов назад
Assertion (A) : Separation of Zr and Hf is difficult. Reason(A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A). (B) Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A). (C) Assertion (A) is true, but Reason (R) is false. (D) Assertion (A) is false, but Reason (R) is true. (R) : ...
Q13 Assertion (A) : When NaCl is added to water a depression in freezing point is observed Reason
Просмотров 1816 часов назад
Assertion (A) : When NaCl is added to water a depression in freezing point is observed. Reason (R) : NaCl undergoes dissociation in water.(A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A). (B) Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A). (C) Assertion (A) is true, but R...
Real Numbers - Previous Year Questions (2014-2024) Class 10 Maths | Class 10 Maths Chapter 1 #cbse
Просмотров 1054 часа назад
cbse 2024 maths paper ruclips.net/p/PLRTnAds52wM83JWxQajZD5fDsUdE3W5nz cbse 22024-25 sample paper ruclips.net/p/PLRTnAds52wM-MpP-OrkJeLMsmxxLu-epu cbse 2023 maths paper ruclips.net/p/PLRTnAds52wM-WmnZ3k_X7jARxd5bkahoo Welcome to" Mathematics untold" where we make maths simple and fun! in this video ,we ae showcasing previous year questions of chapter 1 maths class 10th in this video.Whether you...
Express each number as a product of its prime facrtors (i) 429 (ii) 546 #cbse
Просмотров 254 часа назад
Express each number as a product of its prime facrtors (i) 429 (ii) 546 #cbse12maths #cbse #boardexam
Complete the factor tree and find the composite number y and x : x 3 195 3 y 5 13 #cbse
Просмотров 354 часа назад
Complete the factor tree and find the composite number y and x : x 3 195 3 y 5 13 #cbse12maths #cbse #boardexam
Write the missing numbers a,b,c and d in the factor tree 2310 a , 1155, 3 b c 77 7 d
Просмотров 167 часов назад
Write the missing numbers a,b,c and d in the factor tree 2310 a , 1155, 3 b c 77 7 d #cbse #class10maths #boardexam
What is the HCF of the smallest prime number and the smallest composite number? #cbse
Просмотров 217 часов назад
What is the HCF of the smallest prime number and the smallest composite number? #cbse #class10thmaths #boardexam
write the number of zeroes in the end of the number whose prime factorisation is 2² x 5³ x 3² x 17
Просмотров 287 часов назад
write the number of zeroes in the end of the number whose prime factorisation is 2² x 5³ x 3² x 17 #cbse #class10 #maths
Q`12 Which functional groups of glucose interact to form cyclic hemiacetal leading to pyranose struc
Просмотров 527 часов назад
Which functional groups of glucose interact to form cyclic hemiacetal leading to pyranose structure ? (A) Aldehyde group and hydroxyl group at C 4 (B) Aldehyde group and hydroxyl group at C 5 (C) Ketone group and hydroxyl group at C 4 (D) Ketone group and hydroxyl group at C 5 #chemistry #class12chemistry #class12importantquestion .
Q11 The correct order of the ease of dehydration of the following alcohols by the action of conc.
Просмотров 407 часов назад
The correct order of the ease of dehydration of the following alcohols by the action of conc. H2SO4 is : (A) (CH3)3C OH (CH3)2CH OH CH3CH2 OH (B) (CH3)2CH OH CH3CH2 OH (CH3)3C OH (C) CH3CH2 OH (CH3)2CH OH (CH3)3C OH (D) (CH3)2CH OH (CH3)3C OH CH3CH2 OH #chemistry #chemistryclass12 #chemistryimpquestions
Q10 The reaction of an alkyl halide with sodium alkoxide forming ether is known as : (A) W
Просмотров 277 часов назад
The reaction of an alkyl halide with sodium alkoxide forming ether is known as : (A) Wurtz reaction (B) Reimer-Tiemann reaction (C) Williamson synthesis (D) Kolbe reaction #chemistry #class12chemistry #class12chemistryimportantquestions
find HCF x LCM of 105 and 120 | Class 10th previous year Questions #cbse #class10maths
Просмотров 207 часов назад
Find HCF x LCM of 105 and 120 | Class 10th previous year Questions #cbse #class10maths
Given that HCF(135,225)=45, find the LCM (135,225) | Class 10 PYQS #cbse #maths
Просмотров 197 часов назад
Given that HCF(135,225)=45, find the LCM (135,225) | Class 10 PYQS #cbse #maths #boardexams
The LCM of two numbers is 182 and their HCF is 13.If one of the number is 26 , find the other #cbse
Просмотров 87 часов назад
The LCM of two numbers is 182 and their HCF is 13.If one of the number is 26 , find the other #cbse
find the LCM of 512 and 576 by using fundamental theorem of arithmetic #cbse #class10thmaths
Просмотров 137 часов назад
find the LCM of 512 and 576 by using fundamental theorem of arithmetic #cbse #class10thmaths
Q9 In the Arrhenius equation, when log k is plotted against 1/T, a straight line is obtained whose :
Просмотров 549 часов назад
Q9 In the Arrhenius equation, when log k is plotted against 1/T, a straight line is obtained whose :
Find HCF and LCM of 306 and 657 and verify that HCF×LCM= product of the two given numbers #cbse
Просмотров 689 часов назад
Find HCF and LCM of 306 and 657 and verify that HCF×LCM= product of the two given numbers #cbse
Q8 The formation of cyanohydrin from an aldehyde is an example of : (A) nucleophilic addition
Просмотров 509 часов назад
Q8 The formation of cyanohydrin from an aldehyde is an example of : (A) nucleophilic addition
Find HCF and LCM of 404 and 96 and verify that HCF×LCM= product of the two given numbers #cbse
Просмотров 99 часов назад
Find HCF and LCM of 404 and 96 and verify that HCF×LCM= product of the two given numbers #cbse
Q7 Acetic acid reacts with PCl5 to give : (A) Cl CH2 COCl (B) Cl CH2 COOH (C) CH3 COCl (D)
Просмотров 389 часов назад
Q7 Acetic acid reacts with PCl5 to give : (A) Cl CH2 COCl (B) Cl CH2 COOH (C) CH3 COCl (D)
Q6 The compound which undergoes SN1 reaction most rapidly is :
Просмотров 939 часов назад
Q6 The compound which undergoes SN1 reaction most rapidly is :
Q5 For the reaction X + 2Y P, the differential form equation of the rate law is : (A) 2dP dY =
Просмотров 739 часов назад
Q5 For the reaction X 2Y P, the differential form equation of the rate law is : (A) 2dP dY =
Class 12 Ex 4.3 Q5 Math | Determinants | Q5 Ex 4.3 Class 12 Math | ex4.3 q5 Class 12 Math
Просмотров 2812 часов назад
Class 12 Ex 4.3 Q5 Math | Determinants | Q5 Ex 4.3 Class 12 Math | ex4.3 q5 Class 12 Math
Class 12 Ex 4.4 Q 1,2 Math | Determinants | Q1,2 Ex 4.4 Class 12 Math | ex4.4 q1,2 Class 12 Math
Просмотров 4912 часов назад
Class 12 Ex 4.4 Q 1,2 Math | Determinants | Q1,2 Ex 4.4 Class 12 Math | ex4.4 q1,2 Class 12 Math
Relation and Function One Shot Revision | Chapter 1 Class 12th | Rapid Revision | CBSE Maths
Просмотров 15316 часов назад
Relation and Function One Shot Revision | Chapter 1 Class 12th | Rapid Revision | CBSE Maths
For an electrolyte undergoing association in a solvent, the v factor : (A) is always greater than
Просмотров 6216 часов назад
For an electrolyte undergoing association in a solvent, the v factor : (A) is always greater than
Two among the three components of DNA are-D-2-deoxyribose and a heterocyclic base. The third compone
Просмотров 4816 часов назад
Two among the three components of DNA are-D-2-deoxyribose and a heterocyclic base. The third compone
Class 12 Maths | Ex.4.4 part 2 | Chapter 4 | Determinants | New NCERT| CBSE Class 12th #cbse
Просмотров 2816 часов назад
Class 12 Maths | Ex.4.4 part 2 | Chapter 4 | Determinants | New NCERT| CBSE Class 12th #cbse
Highly useful and super clear explanation sir🔥
Thanks sir ji
Thanks sir
🎉🎉
?Crazzzzzyy
lallalalalal
Sir a, a+d ,a+2d nahi man sakte
Love you sir
00:00
Nice explanation sir +1🎉
Sir your handwriting is so beautiful 👍
Thanku ❤😊
Thaq sir ek bar mein hi smj aa gya 🙏👍👍❤
🎉
Thank you so much sir ☺️ For sharing this video Itne acche se aapne mere sare doubt clear kar diye
❤🎉😊
Thank you so much 👍
Thanks 🙏
Thankyou 😁
Good
Thanks for the Explanation 😊
Nice explanation,thanks a lot!
Thank you sir
Sir, b×(a2-a1) hoga
op
op
PURAV JHA❓
I can see u sweat sir And I know u turned fan of for video Salute
Thank you sir
abe yaar lekin 2 aur 3 bhi toh rational number hai na unka to sum irrational araha hai
Sar buniyad ka paper karvao
Thankuu sir💯 Support the video 💥💫
Alternatively we can use since AOB i s an isosceles triangle angle OBC =45 degree so by using sin45 we can get the answer
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Thank youu so much sir the concept is now crystal clear ❤
Sir answer 8/3 bta raha h
Thank You So Much Sir for all your efforts!! You are the best!! 🙏🙏
Thnx sir
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Second method is easy and acceptable! Thank you sir!
Very nice explanation sir..thank you
Wow🫨🫨
Thanks sir 😊
Sir lekin 61 an nhi hona chaiye vo laast ap ki value hai?
👍
It was helpful
selfstudy sample paper?
*pyq
Thank you sir😊
Sir 1 ko kissme lenge
Calculation mistake ho gaya😢
🥳🥳🥳🫀🫀