Prasanna

MP Board Class 12th Chemistry Solutions Chapter 4 Chemical Kinetics Chemical Kinetics NCERT Intext Exercises Question 1. For the reaction R → P, the concentration of reactant changes from 0.03M to 0.02M in 25 minutes. Calculate the average rate of reaction using units of time both in minutes and seconds. Answer: For the reaction R … Read more

MP Board Class 9th Maths Solutions Chapter 13 Surface Areas and Volumes Ex 13.5 Assume π = , unless stated otherwise. Question 1. A matchbox measures 4 cm x 2.5 cm. x 1.5 cm. What will be the volume of a packet containing 12 such boxes? Solution: Measures of matchbox (cuboid) is 4 cm x … Read more

MP Board Class 10th Hindi Navneet Solutions पद्य Chapter 10 विविधा विविधा अभ्यास बोध प्रश्न विविधा अति लघु उत्तरीय प्रश्न  प्रश्न 1. आसमान में किस तरह के बादल उड़ रहे थे? उत्तर: आसमान में झीने-झीने, कजरारे एवं चंचल बादल उड़ रहे थे। प्रश्न 2. रिमझिम-रिमझिम पानी बरसने के बाद क्या हुआ? उत्तर: रिमझिम-रिमझिम पानी बरसने … Read more

MP Board Class 9th Maths Solutions Chapter 13 Surface Areas and Volumes Ex 13.4 Assume π = , unless stated otherwise. Question 1. Find the surface area of a sphere of radius: (i) 10.5 cm (ii) 5.6 cm (iii) 14 cm Solution: (i) Here r = 10.5 cm ∴ Surface area of the sphere = … Read more

MP Board Class 6th Science Solutions Chapter 5 Separation of Substances Separation of Substances Text Book Exercises Question 1. Why do we need to separate different components of a mixture? Give two examples? Answer: It is essential to purify foodstuff to maintain good health. Researchers, chemists and technologists also need pure substances. Thus, separation of … Read more

MP Board Class 6th Science Solutions Chapter 10 Motion and Measurement of Distances Motion and Measurement of Distances Text Book Questions Question 1. Give two examples each, of modes of transport used on land, water and air. Answer: Land: Railways, buses. Water: Ships, boats. Air: Aeroplanes, helicopters. Question 2. Fill in the blanks: One meter is … Read more

MP Board Class 9th Maths Solutions Chapter 13 Surface Areas and Volumes Ex 13.3 Assume π = , unless stated otherwise. Question 1. Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area. Solution: Here, diameter of the base = 10.5 cm Radius … Read more

MP Board Class 10th Hindi Navneet Solutions पद्य Chapter 9 जीवन दर्शन जीवन दर्शन अभ्यास बोध प्रश्न जीवन दर्शन अति लघु उत्तरीय प्रश्न  प्रश्न 1. कवि नाश पथ पर कौन-से चिह्न छोड़ जाना चाहता है? उत्तर: कवि नाश पथ पर अपने पग चिह्न छोड़ जाना चाहता प्रश्न 2. मधुप की मधुर गुनगुन विश्व पर क्या … Read more

MP Board Class 11th Biology Solutions Chapter 4 प्राणि जगत प्राणि जगत NCERT प्रश्नोत्तर प्रश्न 1. यदि मूलभूत लक्षण ज्ञात न हो तो प्राणियों के वर्गीकरण में आप क्या परेशानी महसूस करेंगे? उत्तर: प्राणियों को वर्गीकृत करने में निम्नलिखित परेशानी हो सकती है – कुछ प्राणियों में कोशिकीय स्तर, कुछ में ऊतक स्तर तथा किसी … Read more

MP Board Class 6th Science Solutions Chapter 4 Sorting Materials into Groups Sorting Materials into Groups Textbook Exercises Question 1. Name five objects which can be made from wood? Answer: The five objects which can be made from wood: Chair Table Door Bullock cart Plough. Question 2. Select those objects from the following which shine: … Read more

MP Board Class 6th Science Solutions Chapter 9 The Living Organisms and their Surroundings The Living Organisms and their Surroundings Text Book Exercises Question 1. What is a habitat? Answer: The place where a plant or an animal lives is called its habitat. Question 2. How are cactus adapted to survive in a desert? Answer: … Read more

MP Board Class 12th Chemistry Solutions Chapter 3 Electrochemistry Electrochemistry NCERT Intext Exercises Question 1. How would you determine the standard electrode potential of the system Mg2+ | Mg ? Answer: can be determined by forming a cell with standard hydrogen electrode (SHE). Mg(s) | Mg2+ 1 M || H+g | H2 (1 atm) Pt. … Read more

MP Board Class 9th Maths Solutions Chapter 13 Surface Areas and Volumes Ex 13.2 Assume π = unless stated otherwise. Question 1. The curved surface area of a right circular cylinder of height 14 cm is 88 cm2. Find the diameter of the base of the cylinder. Solution: h = 14 cm CSA of cylinder … Read more

MP Board Class 9th Maths Solutions Chapter 13 Surface Areas and Volumes Ex 13.1 Question 1. A plastic box 1.5 m long, 1.25 m wide and 65 cm deep is to be made. It is to be open at the top. Ignoring the thickness of the plastic sheet, determine: The area of the sheet required … Read more

MP Board Class 9th Maths Solutions Chapter 12 Heron’s Formula Ex 12.2 Question 1. A park, in the shape of a quadrilateral ABCD, has ∠C = 90°, AB = 9 m, BC = 12 m, CD, = 5 m and AD = 8 m. How much area does it. occupy? Solution: In ∆DCB DB2 = … Read more