Carbon and its Compounds - CBSE Notes for Class 10 Science CBSE NotesCBSE Notes ScienceNCERT Solutions Science 1. The earth's crust, has only 0.02% carbon in the form of minerals (like carbonates^bicarbonates, coal, and petroleum). 2. The atmosphere has 0.03% of carbon dioxide. 3. Inspite of its small amount available in nature carbon is a versatile element as it … [Read more...]
NCERT Exemplar problems for Class 10 Science Chapter 15 Our Environment
Download Formula BookPhysics eBookChemistry eBookBiology eBook NCERT Exemplar ProblemsNCERT Exemplar Science NCERT Exemplar problems for Class 10 Science Chapter 15 Our Environment Short Answer Questions Question 1. Why is improper disposal of waste a curse to environment? Answer. Improper disposal of waste is a curse to environment because it pollutes the environment, … [Read more...]
Heredity and Evolution Chapter Wise Important Questions Class 10 Science
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Control and Coordination Chapter Wise Important Questions Class 10 Science
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Life Processes Chapter Wise Important Questions Class 10 Science
Download Formula BookPhysics eBookChemistry eBookBiology eBook Life Processes Chapter Wise Important Questions Class 10 Science ScienceMathsEnglishSocialHindi AHindi B Short Answer Type Questions[l] [2 Marks] -Year 2015 1.What are enzymes? Name any one enzyme of our digestive system and write its function. Answer. Enzymes are biological catalysts. Catalysts are proteins … [Read more...]
Acids Bases and Salts Chapter Wise Important Questions Class 10 Science
Acids Bases and Salts Chapter Wise Important Questions Class 10 Science NCERT SolutionsSample PapersNCERT Exemplar Solutions ScienceMathsEnglishSocialHindi AHindi B Short Answer Type Questions[l] [2 Marks] - Year 2015 1.Name the acid present in the following: (i) Tomato (ii) Vinegar (iii) Tamarind Answer. (i) Oxalic acid (ii) Acetic acid (iii) Tartaric acid 2.15 … [Read more...]
Periodic Classification of Clements – CBSE Notes for Class 10 Science
Periodic Classification of Clements - CBSE Notes for Class 10 Science CBSE NotesCBSE Notes ScienceNCERT Solutions Science 1. Need for classification of elements: Increase in discovery of different elements, made it difficult to organise all that was known about the elements. To study the large number of elements with ease, various attempts were made. The attempts resulted … [Read more...]
Light Reflection and Refraction Chapter Wise Important Questions Class 10 Science
Download Formula BookPhysics eBookChemistry eBookBiology eBook Light Reflection and Refraction Chapter Wise Important Questions Class 10 Science ScienceMathsEnglishSocialHindi AHindi B SHORT ANSWER TYPE QUESTIONS [II] [3 Marks] - Year 2007 1. A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at … [Read more...]
Our Environment Chapter Wise Important Questions Class 10 Science
Download Formula BookPhysics eBookChemistry eBookBiology eBook Our Environment Chapter Wise Important Questions Class 10 Science ScienceMathsEnglishSocialHindi AHindi B SHORT ANSWER TYPE QUESTION[II] [3 Marks] - Year 2007 1. (a) What is 'environmental pollution'? (b) Distinguish between biodegradable and non-biodegradable pollutants. (c) Choose the biodegradable … [Read more...]
CBSE Sample Papers for Final Board Exams Class 9 Social Science – Paper 1
CBSE Sample Papers for Final Board Exams Class 9 Social Science - Paper 1 (For Annual Examination to be held in and after March 2018 and onwards) Based on the latest syllabi and Design of the Question Paper released by the C.B.S.E New Delhi Strictly based on the Latest Scheme Of Assessement, the latest Syllabus and Design of the Question paper released by the Central Board … [Read more...]