Q1. What changes can you make in your habits to become more environment-friendly? Ans. (i) Do not throw garbage on the road side. (ii) Switch off lights, fans, TV when not required. (iii) Use less water for bathing, washing jobs. (iv) Use jute … Read more
Facts that Matter 1. Ganga Action Plan started in 1985 to remove the pollution in Ganga. 2. The 3 R’s. to save environment are (a) Reduce (b) Recycle (c) Reuse 3. Sustainable development encourages forms of growth that meet current basic human needs and needs of future … Read more
I. VERY SHORT ANSWER TYPE QUESTIONS (1 Mark) Q1. Define heredity. Ans. Heredity deals with the inheritance of characters from one generation to the next. Q2. Define variations. Ans. Variations are differences that occur between the organisms of the same species in spite of the same basic feature. Q3. How does the creation of variations in … Read more
NCERT IN-TEXT QUESTIONS SOLVED Q1. If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier? Ans. Trait B is likely to have arisen earlier as it occurs in more number. Q2. … Read more
Acids, Bases & Salts PAGE- 18 Question 1: You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. If you are given only red litmus paper, how will you identify the contents of each test tube? Answer 1: If the colour … Read more
NCERT Solutions for Class 10 Science Chapter 1 Chemical Reactions and Equations Gurukul Provides NCERT Solutions for Class 10 Science. You can download these solutions in PDF format for free. All questions are solved by subject experts keeping in mind the NCERT guidelines. Students can use these questions for practice. Here, we have given NCERT Solutions for … Read more
Very Short Answer Type Questions: 1. Define electric work. 2. What is the unit of electric work? Define it, in relation to quantity of charge and potential difference. 3. Name two bigger units of electric work. 4. What do you understand by the term current electricity? 5. Define the term “electric current”. 6. How is … Read more
Study Notes for Class 10 Science Chapter 1 Chemical Reactions and Equations
Here we are providing study notes for class 10 science chapter 1 chemical reactions and equations.
