Class 10 Science important Questions Q1. What Change Should Be Made in an A.C. Generator So that It May Become a D.C. Generator? Ans: By replacing the slip rings of an A.C. generator by a commutator, we can convert it into a D.C. generator. Q2. What is meant by an addition reaction? Give an example. […]
Class 10 Science QnA by Anurag
Class 10 Science QnA by Anurag Q1. Given below is a diagram showing a defect of human eye. Study it and answer the following questions: (1) Name the defect shown in figure. (2) Give two possible reasons for this defect of eye in human being. (3) Name the type of lens used to correct the […]
NCERT Solutions for Class 10 Science
NCERT Solutions for Class 10 Science Here are the chapter-wise NCERT Solutions for class 10 science in Hindi Medium and English Medium are listed below: Chapter 1 Chemical Reactions and Equations Chapter 2 Acids Bases and Salts Chapter 3 Metals and Non-Metals Chapter 4 Carbon and Its Compounds (Click Here) Chapter 5 Periodic Classification of […]
CBSE Class 10 Science MCQs Chapter 2 Acids Bases and Salts
CBSE Class 10 Science MCQs Chapter 2 Acids Bases and Salts Q1. Which Acid is present in Tomato? (A) Citric Acid (B) Oxalic Acid (C) Lactic Acid (D) HCl Correct Answer: Option (B) Q2. Which of the following is a strong acid? (A) HCl pH 1 (B) CH3COOH pH 5 (C) Lemon juice pH 2.2 […]
MCQ Questions for Class 10 Science Chemical Reactions and Equations with Answers
MCQ Questions for Class 10 Science Chemical Reactions and Equations with Answers Part 1 1. Which of the following is a displacement reaction? Answer: bExplanation: Reason: Here sodium (Na) displaces to form sodium hydroxide. 2. Magnesium ribbon is rubbed before burning because it has a coating of(a) basic magnesium carbonate(b) basic magnesium oxide(c) basic magnesium sulphide(d) […]
MCQ Questions for Class 10 Science
MCQ Questions for Class 10 Science Class 10 Science MCQ Chapter 1 Chemical Reactions and Equations (Click Here) Class 10 Science MCQ Chapter 2 Acids Bases and Salt (Click Here) Class 10 Science MCQ Chapter 3 Metals and Non-metals Class 10 Science MCQ Chapter 4 Carbon and Its Compounds (Click Here) Class 10 Science MCQ […]
SEBA Class 10 Science MCQs Chapter 4 Carbon and Its Compounds
SEBA Class 10 Science MCQs Chapter 4 Carbon and Its Compounds Part : 1 Q1) The electronic configuration of an element is found to be 2, 4. How many bonds can one carbon atom form in a compound? (a) 1 (b) 2 (c) 4 (d) 6 Correct Answer: Option (c) Q2) The following chemical reaction […]
SEBA Class 10 Maths MCQs for Pair of Linear Equations in Two Variables
SEBA Class 10 Maths MCQs for Pair of Linear Equations in Two Variables Part – 1 1. The pairs of equations x+2y-5 = 0 and -4x-8y+20=0 have: (a) Unique solution (b) Exactly two solutions (c) Infinitely many solutions (d) No solution Answer: (c) Infinitely many solutions 2. If a pair of linear equations is consistent, then […]
SEBA Class 10 Maths MCQs for Chapter 2 Polynomials
SEBA Class 10 Maths MCQs for Chapter 2 Polynomials Q1. The zeroes of x2–2x –8 are: (a) (2, -4) (b) (4, -2) (c) (-2, -2) (d) (-4, -4) Answer: (b) (4, -2) 2. What is the quadratic polynomial whose sum and the product of zeroes is √2, ⅓ respectively? (a) 3×2-3√2x+1 (b) 3×2+3√2x+1 (c) 3×2+3√2x-1 (d) None […]
MCQ Questions for Class 11 Maths Chapter 10 Straight Lines with Answers
MCQ Questions for Class 11 Maths Chapter 10 Straight Lines with Answers Question 1.The locus of a point, whose abscissa and ordinate are always equal is(a) x + y + 1 = 0(b) x – y = 0(c) x + y = 1(d) none of these.Answer Answer: (b) x – y = 0 Question 2.The […]