Students and Teachers Forum
g) CaCO3 → 40.08 + 12 + 3 ⨉ 16 → 100.08 g h) H2O → 2 ⨉1 + 16 → .....
Catalysts is a substance that causes or accelerates a chemical reaction without itself being affected. Catalysts can be divided into two main types - Heterogeneous Homogeneous. In a heterogeneous reaction, .....
A reaction which has an equal number of atoms of all the elements on both sides of the chemical equation is called a balanced chemical equation. The law of conservation of mass states that mass can neither be created nor destroyed. Hence, it is .....
Silk is marked by the following properties: low density makes for light and comfortable clothing high resistance to deformation good insulation properties / warm in winter, cool in summer strongest natural fiber .....
If I met any of the famous folk singers of Nepal I would like to inquire about the following: - His/her experience in folk song and music - The time period s/he has been involved in folk songs and music - The ups and downs s/he has faced - The .....
Metmorphosis is a biological process in which the offspring develops after giving birth or hatching. For example: Birds lays eggs, but after some month they hatch. As they are out side their mother womb, still they are developing inside the .....
( x - y ) 2 + ( x + y ) 2 = x2 - 2xy + y 2 + x2 + 2xy + y2 Now simplify yourself and get the .....
Use the relation of ( a - b ) 2 Put a = 3p and b = 1/3p and simply. You will gets required .....
( 2a + 3b ) 2 Now use the formula of ( a + b )2
( y - 1/2 )2 using formula of ( a - b ) 2 you will get y2 - 2 . y . 1/2 + ( 1 / 2 ) 2 Now simply and get .....
( x 2 - y 2 )2 Now using the formula of ( a - b ) 2 , we get x4 - 2x2y2 + .....
The length of an egg is 1.49±0.12 (range 1.12 - 1.85) mm . The width of an egg is 0.35±0.02 (range 0.30 - 0.40) mm. The volume of an egg is 0.10±0.02 (range 0.06 - 0.15) cubic mm. Size of eggs varies markedly. It changes .....
The genus of the honey bee is Apis .....
Like food, water is also needed for living beings. Water is needed for survival. Life without water is not possible. Rivers, streams, ponds, lakes, wells, rainfall etc. are some of the major sources of water. However, the water must be boiled .....
Cost of goods = $ 20000 = 20000 x 104 = 2080000 cost with shipment charges = .....
As artery transport blood from the heart, it has a very high pressure of blood flow pumped by the heart. Artery does not ned any other accessory forces to pump the blood off. For this reason artery does not have any .....
१.सत्यनारायण विद्यालय गई राम्ररी पढ्छन् अनि नआएको कुरा गुरुसँग सोध्छन् । २.जब पानी पर्यो तब .....
After reflection of P ( - 2 , 3 ) on x - axis, you will get P ' ( -2 , - 3 ) Similarly, after reflection of Q ( 5 , 4 ) on y- axis, you will get Q' ( -5 , 4 ) Now , find the distance between P' and Q' using distance .....
Copper carbonate → Copper oxide + Carbon dioxide CuCO3 → CuO + .....
Here are the examples of the similar questions. One is solved for you. Try slolving other .....
a) 2K + CL2 → 2KCL b) 2K + Br2 → .....
a) 2Na(s) + Cl2(g) ——> 2NaCl(s) b) 2Na + Br2 ——> .....
a) H2 + O2 → H2O Balanced equation 2H2 + O2 → 2 H2O b) H2(g) + Br2(g) ↔ HBr(g) Balanced equation H2(g) + Br2(g) ↔ .....
a) H2 + Cl2 → .....
(क) महेश ग्रन्थचित्र हेर्दै हुनेछ । (ख) सरोज राम्रो चित्र बनाउँथ्यो । (ग) फुर्वा खुरुखुरु चित्र .....
a ⅹ b = (1,4)(1,5)(2,4)(2,5) Given condition, y= x + a Check the following set of ordered pair a ⅹ b for the condition y=x+a. where y is the second term and x is the first term and the value of a is .....
Nepali sculpture is younger that the art of painting. It was introduced in Lichchhavi period and flourished fully in the Malla period. The image of Baman made of clay (terracotta) in ancient times was installed by Lichchhavi King Mandeva and it is .....
यसलाई हेरेर आफैँ कविता लेख्ने प्रयास गर्नुहोस् है त । अर्काको सिर्जनालाई आफ्नो भनेर छपाउन .....
Mount Saipal is the second highest peak of the Far Western Himalayas. It is 7031m. .....
In geometry, parallel lines are most exciting topic. It was a concept first introduced by Euclid, who is also known as founder of geometry. We know that straight lines are the shortest path between any two points. In mathematics parallel lines .....
You may know that energy can not be produced but can be converted from one form to another form. Our body does not produces energy but convert chemical energy present in nutrients. Blood carries nutrients such as carbohydrate to all the .....
Earth have atmosphere whereas moon lack atmosphere. Due to the presences of atmosphere, objects falling towards Earth's surface feels some resistance which is called air resistance. Moon has no atmosphere so it can not have air .....
Number of textbook : number of copies. = 12 : 42 = 6 : .....
Messi was born on 24 June, 1987 in Rosaria, Argentina. His full name is Lionel Andrés Messi Cuccittini. He is recently playing for the Spanish Club .....
I am the beginning of the end,and the end of time and space. I am essential to creation,and i surround .....
Vocational training is used to prepare for a certain trade or craft. This kind of training equips the individual with the skills of handling the daily works. They may work in the farm or work as the plumber, or carpenter or auto repair .....
आर्थिक समस्या र खानेकुराले समेत समस्याको चोटमा परेको अवस्थामा रहेका दर्नाल परिवारलाई वि।स .....
दुखै दुखमा रहका दर्नालको घरपरिवारका सदस्यालाई समेत उनको स्वास्थ्यको प्रतिकुल प्रति खुबै .....
घरमा आफ्ना पिताले सङ्कलन गरेका पुस्तकले उनमा पढ्ने चाहना विस्तारै विस्तारै जाग्दै गएको थियो .....
रामशरणको पुख्र्यौली पेसा नै बाजा बझाउने भएकाले त्यसको प्रत्यक्ष प्रभाव रामशरणमा पर्यो । .....
रामशरणका पिताको घर परिवारको आर्थिक अवस्था अति नै दयनीय भएका कारण आर्थिक अवस्था सुदूढ बनाउने .....
Tribhuvan International Airport is the largest airport in Nepal till .....
गरिब परिवारमा जन्मिएका दर्नालले जीवनमा धेरै कष्ट भोगेका थिए । उनलाई पार्किन्सन नामक रोगले .....
रामशरण दर्नालको जन्म दलित र गरिबी परिवारमा भएको थियो । उनको जीवनमा धेरै समस्याहरूले घेरेका .....