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Biology Sir

Asked: December 26, 2020In: Class 10 Science

What is speciation. List the factors responsible for speciation and mention how they could lead to the rise of a new species.

NCERT Solutions for Class 10 Science Chapter 9 Important Board Questions Heredity and Evolution NCERT Books for Session 2022-2023 CBSE Board and UP Board Long Questions: Questions No: 4

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Learn Physics

Asked: December 25, 2020In: Class 10 Science

Assertion (A): The shaving mirrors are convex mirrors. Reason (R): Convex mirror always forms a virtual image.

NCERT Solutions for Class 10 Science Chapter 10 Important Board Questions Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board Answer in one word/one sentence. Questions No: 16

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Learn Physics

Asked: December 25, 2020In: Class 10 Science

Assertion (A): The bottom of a tank or pond, filled with water appears to be raised. Reason (R): The apparent depth of the tank is given by 1/n times the original depth.

NCERT Solutions for Class 10 Science Chapter 10 Important Board Questions Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board Answer in one word/one sentence. Questions No: 15

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Learn Physics

Asked: December 25, 2020In: Class 10 Science

A student obtains a blurred image of distant object on a screen using a convex lens. To obtain a distinct image on the screen he should move the lens.

NCERT Solutions for Class 10 Science Chapter 10 Important Board Questions Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board Answer in one word/one sentence. Questions No: 14

Chemistry Solution Teacher

Asked: December 25, 2020In: Class 10 Science

Differentiate between soap and detergent.

NCERT Solutions for Class 10 Science Chapter 4 Important Board Questions Carbon and its Compounds NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Type Question Questions No: 11

Chemistry Solution Teacher

Asked: December 25, 2020In: Class 10 Science

What is the role of conc. H₂SO₄ in making ethane from ethanol?

NCERT Solutions for Class 10 Science Chapter 4 Important Board Questions Carbon and its Compounds NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Type Question Questions No: 10 Part: b

parveen sultana

Asked: December 25, 2020In: Class 10 Maths

On dividing x² – 3 x² + x + 2 by a polynomial g(x), the quotient and remainder were x – 2 and –2x + 4, respectively. Find g(x).

NCERT Solutions for Class 10 Maths Chapter 2 Important NCERT Questions Polynomials NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 2.3 Page No:36 Questions No:2 Part:4

Rajni Kothari

Asked: December 25, 2020In: Class 10 Maths

Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients. 4s² – 4s + 1.

NCERT Solutions for Class 10 Maths Chapter 2 Important NCERT Questions Polynomials NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 2.2 Page No:33 Questions No:1 Part:2

Raghav Juyal

Asked: December 25, 2020In: Class 10 Maths

Solve the following pair of linear equations: 152x – 378y = – 74 and –378x + 152y = – 604

NCERT Solutions for Class 10 Maths Chapter 3 Important NCERT Questions Pair Of Linear Equation In Two Variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 3.7 Page No:68 Questions No:7 Part:5

Ramani Bharadwaj

Asked: December 25, 2020In: Class 10 Maths

Roohi travels 300 km to her home partly by train and partly by bus. She takes 4 hours if she travels 60 km by train and the remaining by bus. If she travels 100 km by train and the remaining by bus, she takes 10 minutes longer. Find the speed of the train and the bus separately.

NCERT Solutions for Class 10 Maths Chapter 3 Important NCERT Questions Pair Of Linear Equation In Two Variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 3.6 Page No:67 Questions No:2 Part:3

Padamjot

What is speciation. List the factors responsible for speciation and mention how they could lead to the rise of a new species.

Assertion (A): The shaving mirrors are convex mirrors. Reason (R): Convex mirror always forms a virtual image.

Assertion (A): The bottom of a tank or pond, filled with water appears to be raised. Reason (R): The apparent depth of the tank is given by 1/n times the original depth.

A student obtains a blurred image of distant object on a screen using a convex lens. To obtain a distinct image on the screen he should move the lens.

Differentiate between soap and detergent.

What is the role of conc. H₂SO₄ in making ethane from ethanol?

On dividing x² – 3 x² + x + 2 by a polynomial g(x), the quotient and remainder were x – 2 and –2x + 4, respectively. Find g(x).

Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients. 4s² – 4s + 1.

Solve the following pair of linear equations: 152x – 378y = – 74 and –378x + 152y = – 604

Roohi travels 300 km to her home partly by train and partly by bus. She takes 4 hours if she travels 60 km by train and the remaining by bus. If she travels 100 km by train and the remaining by bus, she takes 10 minutes longer. Find the speed of the train and the bus separately.

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