Q1: What is a chemical formula?
Answer: The chemical formula of a compound is a symbolic representation of its composition.
Q2: Write the chemical formula for the following compounds. Also identify the ions formed.
➀ Hydrogen Chloride
➁ Hydrogen Sulphide
➂ Carbon Tetrachloride
➃ Magnesium Bromide
Invitations form an important part of social dealings. An invitation is a request to an individual or group of persons to come or go somewhere, or to do something. We need invitations for many social occasions such as celebrations of birthday, engagement, wedding, marriage anniversary, appointment, promotion etc.
Invitations can be both formal as well as informal.
CBSE Class 10 - Harihar Kaka - Hindi B - Words and Meanings
शब्दार्थ
यंत्रणाओं - यातनाओं / क्लेशों /कष्टों।
आसक्ति - लगाव।
मन:स्थिति- मन की स्थिति ।
सयाना - बड़ा होना।
मझधार (मँझधार) - बीच में ( जल प्रवाह या भवसागर के मध्य में )।
CBSE Class 11 - Mathematics - Limits and Derivatives Part-9
You have learnt about finding derivatives using the first principle in part-7 and part-8. Let us proceed further. Here is a summary of theorems on differentiation.
Class 7 - Subject: Social Science - Our Environment
For NCERT solutions and MCQs, you see the Part-1 post.
Q1. The Amazon River Basin lies near to which circle of latitude?
Answer: Equator.
Q2. Who discovered the Amazon river?
Answer: Amazon River was discovered by a Spanish explorer, Vicente Yanez Pinzon.
Q3. Through which countries does the Amazon river pass through?
Answer: The Amazon River basin drains portions of Brazil, parts of Peru, Bolivia, Ecuador, Columbia and a small part of Venezuela.
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| Differentiation |
कक्षा १० - हिंदी ब
प्र १: कथावाचक और हरिहर काका के बीच क्या संबंध है और इसके क्या कारण हैं?
उत्तर: कथावाचक अर्थात लेखक और हरिहर काका के बीच बहुत पुराना और घनिष्ठ सम्बंध है। जब लेखक छोटा था तब काका उससे बेहद प्यार करते थे। वे उसके पिता से भी ज्यादा प्यार करते थे। बड़ा होने पर वही उसके मित्र बन गए। वे उसे हर विषय को समझाते थे। लेखक उन्हें अपने मन की सारी बातें बताता था और काका उन्हें दिल की हर बात कह देते थे। यही वजह है कि लेखक को उनके एक-एक लम्हें की जानकारी है। लेखक को लगता है कि उसको अपना मित्र बनाने के लिए काका ने स्वयं प्यार से सींचा और इन्तजार किया है।
CBSE (Central Board of Secondary Education) has released the Sample Question Papers for Class 10 and Class 12 Term 2 in the academic year 2021-22.
CBSE (Central Board of Secondary Education) has released the Sample Paper for Class 10 12 Term 2 Exams 2022. CBSE released the sample papers on their official website for both the Classes 10th and 12th and these papers are in a subjective format.
Students can check the sample paper at https://cbseacademic.nic.in/
These papers are in a subjective format.
Q1: What is the atomic number of a carbon atom?
Answer: 6
Q2: How many valence electrons are present in a carbon atom?
Answer: 4 (electronic configuration is K:2 L:4)
Q3: What are allotropes?
Answer: The property due to which one element exists in more than one form, which differs in physical properties but has similar chemical properties. These forms of an element are called allotropes.
Fill in the blanks with suitable words.
1. The work of the Gram Panchayat has to be approved by the __________.
2. All the members of the Gram Sabha also elect a ______ who is the Panchayat President. He/She is elected for 5 years.
3. The Gram Panchayat has a _______, who is not an elected person but is appointed by the government
CBSE (Central Board of Secondary Education) has released the Sample Paper for Class 10 12 Term 2 Exams 2022. CBSE released the sample papers on their official website for both the Classes 10th and 12th and these papers are in a subjective format.
Students can check the sample paper at https://cbseacademic.nic.in/
These papers are in a subjective format.
It is not only important to follow the rules, but it is also important to understand the rules. Rules are guidelines on how to behave in a given situation.
Some people may think that following the rules does not matter because there are people who break them. But what about when they do not know what is right and wrong? Those people will have a hard time navigating through life without any guidance.
Rules can be broken but it should be done respectfully and with good reason.
PHYSICAL EDUCATION (048)
SESSION 2021-22(CLASS XII)
TERM II
Choose the correct option from the choices given in each question.
Q1: Which one of the following is incorrect about polynomials?
(a) A monomial contains one non-zero term.
(b) A polynomial is an algebraic expression.
(c) Exponents of a polynomial can be irrational.
(d) Coefficients of a polynomial can be irrational.
Derivatives Using First Principle
Author: Selma Lagerlöf
About the author:
Selma Ottilia Lovisa Lagerlöf 20 November 1858 – 16 March 1940) was a Swedish author and teacher. She published her first novel, Gösta Berling's Saga, at the age of 33. She was the first woman to win the Nobel Prize in Literature, which she was awarded in 1909. Additionally, she was the first woman to be granted membership in The Swedish Academy in 1914.
Q1: What message does the story 'The Rattrap' convey?
Answer: Essential goodness in a human being can be awakened through understanding and love.
Q2: Justify the title 'The Rattrap'.
Book: Resource and Development
Q1: What is agriculture?
Answer: Agriculture is a primary activity that includes growing crops, vegetables, fruits, flowers and rearing livestock. It is connected with the extraction and production of natural resources.
Q2: Give a one-word definition to the following 'cultures'.
(a) Raising crops and rearing livestock.
(b) Rearing of silkworms and silk production.
(c) Breeding of fish.
(d) Cultivation of grapes.
(e) Growing vegetables, flowers and fruits.
Q1: 2 Newton-metre is how many joules?
Answer: ∵ 1 Nm = 1J ∴ 2Nm = 2J
Q2: In the CGS system, what is the unit for Work?
Answer: erg
Book: Hornbill
Poet: Walt Whitman
Q1: What is all about the poem "The Voice of the Rain"? Write in short.
Answer: ‘The Voice of the Rain’ is an imaginary dialogue between the poet and the rain. The poet casually asks the rain who it is. To his surprise, the rain answers the question and tells about its birth and end. The poet understands the tale of rain and translates it for the readers.
Fill in the blanks with suitable words. Take words from the list given below.
atmosphere, aquatic, breathing, cylinders, direction, evaporation, humidity, masks, mixture, pressure, space, wind
1. The blanket of air that surrounds the earth is called __________.
2. Air is a ______ of some gases.
