Class 10 Hindi B - Sapnon Ke Se Din - Questions and Answers
लेखक : गुरदयाल सिंह
प्रश्न १ : कोई भी भाषा आपसी व्यवहार में बाधा नहीं बनती-पाठ के किस अंश से यह सिद्ध होता है ?
उत्तर: लेखक अपने बचपन की घटना बताता है कि उसकी खेलने वाली मंडली में कुछ बच्चे हरियाणा के तथा कुछ राजस्थान के थे। उनकी भाषा सुनने में प्रारंभ में कुछ अटपटी लगी परंतु खेलते समय भाषा पूरी तरह समझ आ जाती थी।
Chapter: Hydrocarbons
Very Short Answer Based Questions (VSQA)
Q1: What are hydrocarbons?
Answer: Hydrocarbons are the compounds of carbon and hydrogen are obtained from coal and petroleum.
Q2: What are alkanes?
Answer: Alkanes are saturated open-chain hydrocarbons containing C—C single bonds.
Q3: How C-C atoms are joined in alkanes? What are the lengths of C-C and C-H bonds?
Answer: In alkanes, C-atoms are tetrahedrally joined together in which C—C and C—H bond lengths are 154 pm and 112 pm respectively.
Choose the correct option from the given choices in each question.
Q1. The quadratic equation ax2 + bx + c = 0 will have zero number of real zeroes if-
CBSE Class 11 - Mathematics - Limits and Derivatives Part-10
You have learnt theorems of differentiation part-9. Let us proceed further. Here is a list of differentiation of some standard functions:
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 |
