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NCERT solutions for class 11 Hindi Core Krishan Chander

NCERT solutions for class 11 Hindi Core Krishan Chander Class 11 Hindi Core Class 11 Hindi Core book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked … Read more

NCERT Solutions class-11 Chemistry The s-Block Elements Part-1

The s block elements  1. What are the common physical and chemical features of alkali metals? 2. Discuss the general characteristics and gradation in properties of alkaline earth metals. 3. Why are alkali metals not found in nature? 4. Find the oxidation state of sodium in 5. Explain why is sodium less reactive than potassium? … Read more

NCERT Solutions class-11 Maths Exercise 14.3

Exercise 14.3 1. For each of the following compound statements first identify the connecting words and then break it into component statements: (i) All rational numbers are real and all real numbers are not complex. (ii) Square of an integer is positive or negative. (iii) The sand heats up quickly in the sun and does … Read more

NCERT Solutions for Class 8 Maths Exercise 1.1

NCERT Solutions for Class 8 Maths Exercise 1.1 Class 8 Maths book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 8 … Read more

NCERT Solutions for Class 8 Maths Exercise 2.3

NCERT Solutions for Class 8 Maths Exercise 2.3 Class 8 Maths book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 8 … Read more

NCERT Solutions for Class 8 Science Crop Production and Management

NCERT Solutions for Class 8 Science Crop Production and Management Class 8 Science book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. … Read more

NCERT Solutions class-11 Chemistry The s-Block Elements Part-2

16. Starting with sodium chloride how would you proceed to prepare (i) sodium metal (ii) sodium hydroxide (iii) sodium peroxide (iv) sodium carbonate? 17. What happens when (i) magnesium is burnt in air (ii) quick lime is heated with silica (iii) chlorine reacts with slaked lime (iv) calcium nitrate is heated ? 18. Describe two … Read more

NCERT Solutions class-11 Maths Exercise 14.4

Exercise 14.4 1. Rewrite the following statements with “if-then” in five different ways conveying the same meaning. If a natural number is off then its square is also odd. Ans. (i) A natural number is odd implies that its square is odd. (ii) A natural is odd only if its square is odd. (iii) For … Read more

NCERT Solutions for Class 8 Maths Exercise 2.4

NCERT Solutions for Class 8 Maths Exercise 2.4 Class 8 Maths book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 8 … Read more

NCERT Solutions for Class 8 Maths Exercise 4.4

NCERT Solutions for Class 8 Maths Exercise 4.4 Class 8 Maths book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 8 … Read more

NCERT Solutions class-11 Chemistry The p-Block Elements Part-2

20. What happens when (a) Borax is heated strongly, (b) Boric acid is added to water, (c) Aluminium is treated with dilute NaOH, (d) is reacted with ammonia? 21. Explain the following reactions (a) Silicon is heated with methyl chloride at high temperature in the presence of copper; (b) Silicon dioxide is treated with hydrogen … Read more

NCERT Solutions class-11 Maths Exercise 14.5

Exercise 14.5 1. Show that the statement “If is a real number such that then is 0” is true by (i) direct method (ii) method of contradiction (iii) method of contrapositive. Ans. The given compound statement is of the form “if then ”. R such that (i) Direct method: If we assume that is true … Read more

NCERT Solutions for Class 11 Chemistry Structure of Atom Part 3

NCERT Solutions for Class 11 Chemistry Structure of Atom Part 3 Class 11 Chemistry book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT … Read more

NCERT Solutions for Class 8 Maths Exercise 2.5

NCERT Solutions for Class 8 Maths Exercise 2.5 Class 8 Maths book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 8 … Read more

NCERT Solutions for Class 8 Maths Exercise 4.5

NCERT Solutions for Class 8 Maths Exercise 4.5 Class 8 Maths book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 8 … Read more

NCERT Solutions class-11 Maths Miscellaneous

Miscellaneous Exercise 1. Write the negation of the following statements: (i) For every positive real number , the number is also positive. (ii) All cats scratch. (iii) For every real number , either or (iv) There exists a number such that Ans. (i) There exists a positive real number such that is not positive. (ii) … Read more

NCERT Solutions for Class 8 Maths Exercise 2.6

NCERT Solutions for Class 8 Maths Exercise 2.6 Class 8 Maths book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 8 … Read more

NCERT Solutions for Class 8 Maths Exercise 5.1

NCERT Solutions for Class 8 Maths Exercise 5.1 Class 8 Maths book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 8 … Read more