Doubtly
@Doubtly · Joined Feb 2021
- Answers
- 3,792
- Questions
- 4,033
- Upvotes received
- 427
- Write a balanced equations for the following chemical reactions. i) H2 + Cl2 → 2HCl ii)3BaCl2 + Al2(SO4)3 → 2AlCl3 + 3BaSO4 iii) 2Na + 2H2O → 2NaOH + 2
- Why should a magnesium ribbon be cleaned before burning in air? Magnesium rubber should be cleaned before burning in air because Magnesium metal reacts with the atmospheric oxygen and forms Magnesium Oxid... 1
- Imagine yourself to be XYZ, a member of a women Self- Help Group. Analyse the ways through 3 which your group provides loan to the members. (i) Self Help Groups pool their savings. (ii) A typical SHG has 15-20 members, usually belonging to one neighbourhood, who meet and save reg... 1
- An inductor coil stores 64 J of magnetic field energy and dissipates energy at the rate of 640 W when a current of 8A is passed through it. Correct Answer is 0.2 Explaination :: 1
- JEE Main 2019 Question papers with Solutions PDF Janaury Session Date Shift Paper with Solutions (English) Paper with Solutions (Hindi) Physics Chemistry Maths Physics Chemistry Maths 09 Jan 2019 Shift 1 (... 1
- JEE Main 2019 Question papers with Solutions PDF Aprill session JEE Main 2019 Paper with Answer Key & Paper with Solutions Date Shift Paper with Solutions (English) Paper with Solutions (Hindi) Physics Ch... 1
- A body is executing simple harmonic motion with frequency ‘n’, the frequency of its potential energy is : A body is executing simple harmonic motion with frequency ‘n’, the frequency of its potential energy is : 2n https://youtu.be/cxhqtVg-8L0 1
- An inductor of inductance L, a capacitor of capacitance C and a resistor of resistance ‘R’ are connected in series to an ac source of https://youtu.be/XbC7jUWI2Ck 2
- If E and G respectively denote energy and gravitational constant, then E /G has the dimensions of: Correct answer: (2) [M²] [L⁻¹] [T⁰] Explanation: E = energy = [ML²T⁻²] G = Gravitational constant = [M⁻¹L³T⁻²] So E/G = [E]/[G] = ML²T⁻²over... 1
- NEET 2021 Question Paper with Solutions - Download PDF I am sharing the link of Byzus NEET 2021 paper pdf , i am neither pirating the content nor uploading on my servers , For more details you ca... 1
- Flora and Founa of India and Brazil Flora and fauna in brazil and india 3
- Development of transport is important for country's progress. Transport modes help is the movement of humans, animals and goods from one location to another. Transport enables social, economic and cultu... 1
- A dense network of railways has developed in the north Indian plains. The North Indian Plains are flat plain lands with a dense population. Due to agricultural development, many agro- based industries have deve... 1
- The waterways are not developed in Brazil. Most of the rivers in Brazil flow with high speed. The amount of discharge of many rivers is very huge. In Brazil, rigid topography is found... 1
- Eco-tourism is being developed more in Brazil Eco-tourism means responsible travel to natural areas without causing damage to the environment. Brazil has the largest number of vegetation... 1
- 4. Match the columns. ‘A’ Group ‘B’ Group (a) Trans-Amazonian (i) Tourist Place Highway (b) Road Transport (ii) Railway Station in India Answer: 1 – d 2 – c 3 – a 4 – b 2
- Which means of communication has expedited the field of communications? The development of technology has accelerated the communication process in the world. Internet and satellites are the harbingers of today’s... 1
- What are the difficulties in the develop ment of the railway system in Brazil's internal areas? The densely forested lands of Amazon River Basin and the swampy lands have limited the development of railways in Brazil. Large pockets of B... 1