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  • 1 answers

Preeti Dabral 2 years, 9 months ago (2983787)

A mechanical teacher has no feelings or sentiments. He cannot understand the psychology of a student. There is a bond between the human teacher and the student. So, machines cannot replace human beings.

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Taj Mahal, the great wonder of the world, is made of white marble which is composed of calcium carbonate. About 60 years ago it was discovered that this monument is being eaten away by acid rain. The Archeological survey of India, that looks after this building of historical importance is of the opinion that the atmospheric pollution due to vehicular traffic and industries, mainly Mathura Refinery may be a major cause of acid rain in and around the monument. Normal rain is slightly acidic because it absorbs some CO, from the atmospheric air. Acid rain is more acidic than normal rain because it also has absorbed oxides of nitrogen and sulphur. (a) What happens when marble is heated? Write the chemical reaction. What type of reaction is it. Name the product formed in this reaction which is used in the manufacture of cement. How will you test the gas evolved in this reaction. (b) Write down observations which help us to determine whether a chemical reaction has taken place or not. Or (b) A solution of a substance "X" is used for white washing. () Name the substance X and write its formula. (i) Write the reaction of substance X with water.
  • 1 answers

Omya Aryan 2 years, 11 months ago (10989590)

(a) When marble(CaCO3) is heated, it decomposes into Quick lime(CaO) and Carbon dioxide(CO2). (b) •Change in temperature •Change in colour • Change in state •Evolution of gas. OR (b) Calcium Oxide (CaO) is used for white washing. (i) CaO+H2O -------› Ca(OH)2
  • 3 answers

Adhya A G 2 years, 11 months ago (10055411)

10 rs

Hemant Gupta 2 years, 11 months ago (13573851)

8

Lavish Bansal 2 years, 11 months ago (14005234)

is answer is rs.10
  • 2 answers

Bhoomika Maheshwari 2 years, 11 months ago (12264023)

75000 Eqn 5x -(102000+73000+x) =1,25,000 [ X here represents cap of new partner ,125000 is total GW of firm]

Lavish Bansal 2 years, 11 months ago (14005234)

Add Ajay and vijay capital 102000+73000=175000 175000×5÷4 = total capital ₹218750 then sanjay share of capita 218750÷5= 43750
  • 1 answers

Srishti Singh 2 years, 11 months ago (14031361)

The principle of conservation of momentum states that if two objects collide, then the total momentum before and after the collision will be the same if there is no external force acting on the colliding objects.
http://mycbseguide.com/examin8/
  • 0 answers
  • 3 answers

Saksham Bhardwaj 2 years, 11 months ago (13972660)

30d, where d is common difference

Rajat Kumar 2 years, 11 months ago (13969633)

Yes

Raksha Trivedi 2 years, 11 months ago (14018488)

Is this que complete?
  • 1 answers

Kadir Ali 2 years, 11 months ago (13500166)

Van ke marg main saransh kaise likhe
  • 2 answers

Pushpa Sharma 2 years, 11 months ago (13886826)

Thanku

Varsha Singh 2 years, 11 months ago (5291717)

कबीर दास का जन्म 15वीं शताब्दी के मध्य में काशी (वाराणसी, उत्तर प्रदेश) में हुआ था।
  • 2 answers

Arnav Tapariya 2 years, 11 months ago (13915341)

Phishing is an act of sending an email to a person or organization , misleading him to believe that it is from trusted person or organization...

Shraddha Mali 2 years, 11 months ago (9399334)

Phishing works by sending messages that look like they are from a legitimate company or website. Phishing messages will usually contain a link that takes the user to a fake website that looks like the real thing. The user is then asked to enter personal information, such as their credit card number. This information is then used to steal the person’s identity or to make fraudulent charges on their credit card.
  • 2 answers

Binod Binod 2 years, 10 months ago (9345357)

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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Anshuman Yadav 2 years, 11 months ago (9932608)

Force brings about a change in shape of iron. Which is used make many type of metallic material for example iron rods .
  • 1 answers

Sweety Parikh 2 years, 11 months ago (14030006)

The Kalinga Prize for the Popularization of Science is an award given by UNESCO for exceptional skill in presenting scientific ideas to lay people. It was created in 1952, following a donation from Biju Patnaik, Founder President of the Kalinga Foundation Trust in India. Kalinga Prize - Wikipedia
  • 1 answers

Akanksha Shah 2 years, 11 months ago (14018103)

Kripya pura question likha kare
  • 1 answers

Joykumar Debnath 2 years, 10 months ago (10771898)

Slides are pages of a presentation containing information. Slide show is a way all the slides are linked together to provide overall information on a particular topic. Also, all the slides together help the slide show to display the presentation.
  • 1 answers

Sanvi Sharma 2 years, 11 months ago (13827736)

Clorine kills all the microbes present in the water and makes it safe for drinking. So, clorine is used to purify water.
  • 2 answers

Ankit Saini 2 years, 10 months ago (14153776)

In hindi me

Ankit Saini 2 years, 10 months ago (14153776)

Model paper 2023
  • 2 answers

Cherry And Vidhi Dadhich 2 years, 11 months ago (13383244)

This is my book question do you know anyone wala

Mr. ᭄ Random 2 years, 11 months ago (10678634)

With their clothes
  • 2 answers

Rahul Sharma 2 years, 11 months ago (14016867)

No, because vera had told that they went three years ago but in reality they went on morning

Yukesh Gupta 2 years, 11 months ago (10309934)

Yes
  • 0 answers
  • 4 answers

Pearl Karan 2 years, 11 months ago (14033309)

science, engineering, technology are actually closely related . Some of the applications of IT in the field of scientific research are large computation, calculation of speed, cost and distance, new avenues of science exploration, and real time record of observation, analysis, and collaboration

Prachi Gupta 2 years, 11 months ago (14025096)

AI

Ananya 9 Thc 2 years, 11 months ago (14021179)

Engineering

Bimilesh Yadav 2 years, 11 months ago (13866904)

Yes
  • 4 answers

Shourya Sir 2 years, 10 months ago (12659194)

T

Enayatullah Afsana 2 years, 10 months ago (14129828)

T

Muskan Thakur 2 years, 11 months ago (13965113)

T

Akshita Singh 2 years, 11 months ago (14014866)

T
  • 1 answers

Bhushan Goyal 2 years, 11 months ago (13945705)

Python is a high-level, general-purpose programming language. Its design philosophy emphasizes code readability with the use of significant indentation. Python is dynamically typed and garbage-collected. It supports multiple programming paradigms, including structured, object-oriented and functional programming.
  • 3 answers

Harshita Harshita 2 years, 10 months ago (13608156)

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.
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Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Badal Kumar 2 years, 10 months ago (13992645)

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.
  • Don't post personal information, mobile numbers and other details.
  • Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
  • Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
  • Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Kiran Kumari 2 years, 10 months ago (13820847)

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.
  • Don't post personal information, mobile numbers and other details.
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Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.
  • 0 answers
  • 1 answers

Mansi Raj 2 years, 11 months ago (14023840)

शारीरिक शिक्षा सेमपल पेपर पहला उत्तर
  • 3 answers

Krish Raj 2 years, 11 months ago (11682365)

1001

Arpit Singh 2 years, 11 months ago (14020458)

Sn=n/2(a+l) where a=first term & l=last term then put the value in formula

K. Hema 2 years, 11 months ago (14017731)

The sum of the first n terms of an Arithmetic Progression is given by Sₙ = n/2 [2a + (n - 1) d] or Sₙ = n/2 [a + l], and the nth term of an AP is aₙ = a + (n - 1)d Here, a is the first term, d is the common difference and n is the number of terms and l is the last term. (i) 7 + 10 ½  + 14 + .... + 84 Given, First-term, a = 7Common Difference, d = 10 ½  - 7 = 21/2 - 7 = 7/2Last term, l = 84 To find the total number of terms, we will use the formula a + (n - 1) d. l = aₙ = a + (n - 1) d 84 = 7 + (n - 1) 7/2 77 = (n - 1) 7/2 22 = n - 1 n = 23 Hence, n = 23 Sₙ = n/2 [a + l] S₂₃ = 23/2 [7 + 84] = (23/2) × 91 = 2093/2 = 1046 ½

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