Maths NCERT Solution for class 9 Chapter 1 Exercise 1.1 Is zero a rational number? Can you write it in the form p/q, where p and q are integersand q ≠ 0? 2. Find six rational numbers between 3 and 4. Find five rational numbers between 3/5 and 4/5. State whether the following statements are …
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NCERT Solutions For CBSE Class 12 Chemistry Chapter 5 Surface Chemistry NCERT EXERCISES 5.1. Distinguish between the meaning of the terms adsorption and absorption. Give one example of each.Ans: This phenomenon of attracting and retaining the molecules of a substance by a solid (or a liquid) on its surface resulting into a higher concentration of the …
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Handwritten Notes-Chapter-12-Atoms-CBSE-Class 12
NCERT Solutions For Class 12 Chemistry Chapter 4 Chemical Kinetics NCERT EXERCISES Question 1. From the rate expression for the following reactions determine their order of reaction and the dimensions of the rate constants:Sol: Question 2. For the reaction ; 2A + B → A2B, the reaction rate = k [A][B]2 with k = 2·0 x …
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NCERT Solutions For Class 12 Chemistry Chapter 3 Electrochemistry NCERT EXERCISES 3.1. Arrange the following metals in the order in which they displace each other from their salts.Al, Cu, Fe, Mg and ZnSol: Mg, Al, Zn, Fe, Cu. 3.2. Given the standard electrode potentials, K+/K=-2. 93 V, Ag+/Ag = 0.80 V, Hg2+/Hg =0.79V, Mg2+/Mg=-2.37V, Cr3+/Cr=0.74V.Arrange these …
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Dual Nature of Radiation and Matter – CBSE Class 12 Physics – Handwritten Notes
Exercise 10.2, Chapter 10 Class 10 Circles In Q.1 to 3, choose the correct option and give justification. 1. From a point Q, the length of the tangent to a circle is 24 cm and the distance of Q from the centre is 25 cm. The radius of the circle is (A) 7 cm (B) …
Exercise 10.1, Chapter 10 Class 10 Circles 1. How many tangents can a circle have? Answer: There can be infinite tangents to a circle. A circle is made up of infinite points which are at an equal distance from a point. Since there are infinite points on the circumference of a circle, infinite tangents can be drawn …
Refraction – Optics Class 12 Physics CBSE Handwritten Notes Download PDF here
Reflection – Optics Class 12 Physics CBSE Handwritten Notes Download PDF from here
