Life Processes Class 10 Important Questions with Answers Science Chapter 6 Question 1. Most of the digestion and absorption of the food takes place in the (a) small intestine (b) liver (c) stomach (d) large intestine. (2020) Answer: (a) small intestine Question 2. Mention the raw materials required for photosynthesis. (Board Term I, 2016) Answer:…
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Periodic Classification of Elements Class 10 Important Questions with Answers Science Chapter 5 Question 1. State Mendeleev s Periodic law. Answer: Medeleev’s periodic law states that the properties of elements are periodic function of their atomic masses. Question 2. Why did Mendeleev leave some gaps in the Periodic table? Answer: Mendeleev left some gaps in…
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Carbon and its Compounds Class 10 Important Questions with Answers Science Chapter 4 Question 1. Covalent compounds have low melting and boiling point. Why? (2020) Answer: Covalent compounds have low melting and boiling points because the forces of attraction between molecules of covalent compounds are very weak. On applying a small amount of heat these…
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Metals and Non-Metals Class 10 Important Questions with Answers Science Chapter 3 Question 1. Reverse of the following chemical reaction is not possible: Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s) Justify this statement with reason. (Board Term I, 2016) Answer: If a strip of zinc metal is put in copper sulphate solution, then the blue…
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Acids Bases and Salts Class 10 Important Questions with Answers Science Chapter 2 Question 1. With the help of an example explain what happens when a base reacts with a non- metallic oxide. What do you infer about the nature of non-metal oxide? (Board Term I, 2017) Answer: Oxides of non-metals react with bases to…
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Chemical Reactions and Equations Class 10 Important Questions with Answers Science Chapter 1 Question 1. Identify ‘x’, ‘y’ and ‘z’ in the following reaction : (a) x = gas; y = reaction condition; z = gas (b) x = solid; y = liquid; z = gas (c) x = number of moles of KClO3; y…
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NCERT Exemplar Class 10 Science Chapter 10 Light Reflection and Refraction Short Answer Questions Question 1. Why does a light ray incident on a rectangular glass slab immersed in any medium emerges parallel to itself? Explain using a diagram. Answer. Due to variation in speed of light in different medium, light bends as it moves…
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NCERT Solutions for Class 10 Science Chapter 16 Management of Natural Resources Before getting into the details of management of natural resources class 10 exercise solutions, let us have an overview of topics and sub topics under the management of natural resources class 10 notes: Sustainable Management Of Natural Resources Why Do We Need To…
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Extra Questions – Our Environment – CBSE Class 10 Science Topics and Subtopics in NCERT Solutions for Class 10 Science Chapter 15 Our Environment: Section Name Topic Name 15 Our Environment 15.1 Eco-System — What Are Its Components? 15.2 How Do Our Activities Affect The Environment? Question-1 Define environment? Solution: The biotic and abiotic factors which…
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NCERT Solutions for Class 10 Science Chapter 15 Our Environment Before getting into the details of our environment class 10 extra questions and answers, let’s have an overview of topics and subtopics under Class 10 Science Chapter 15 Our Environment: Our Environment Eco-System — What Are Its Components? How Do Our Activities Affect The Environment? Free…
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