Under usual conditions, magnesium is covered with an insoluble layer of magnesium oxide (MgO) due to its exposure to surrounding air. This magnesium oxide makes it less reactive with water. The kinetic energy of the reactants influences the .....

To calculate the molecular weight, we have to add the atomic weight of each atom present in the molecule Here, in MgSO4, there are 1 atom of magnesium (Mg), 1 atom of sulphur (S) and 4 atoms of oxygen (O).  The atomic weight of Mg is .....

The differences between loan and stock are presented in the table below: Stock  Loan A stock is a general term used to describe the part of ownership of any company.  A loan is the lending of money from .....

a) 759 = 759 x 100/100      = 759/100  x 100       = 7.59 x 102. b) 39000 = 39000/10000 x 10000 = 3.9 x .....

Solution: Given, Cost of 2 goats = Cost of 3 sheep = x (suppose) Then,  Cost of 2 goats = x Cost of 1 goat = x/2  ∴ Cost of 3 goats = 3x/2 Also, Cost of 3 sheep = x Cost of 1 sheep = x/3 ∴ Cost of 6 sheep = 6x/3 According .....

Definitely, our neighbours help us when we are sick. They help us in making some foods, bringing medicines, calling doctors. Neighbours lives next to our house. They help us in difficulties. They support us to achieve progress. They are like .....

a2 + 2 = 32/3 + 3-2/3 or, a2 = 32/3 + 3-2/3 - 2 = [31/3]2 + [3-1/3]2 - 2* [31/3]*[3-1/3] a2= [31/3 - 3-1/3]2 So, a = [31/3 - 3-1/3] Now, 3a3 + 9a = 3a(a2 + .....

Earth is a sphere. The half of the earth is called hemispheres. Earth is divided into four hemispheres. i.e. Eastern, Western, Northern and Southern hemispheres. In the above figure, when the earth is in position E4 and E2, both northern .....

Our solar neighborhood is an exciting place.

The Solar System is full of planets, moons, asteroids, comets, minor planets, and many other exciting objects.

The Solar System is made up of all the planets that orbit our .....

Solution: Here,  AP is bisector of ∡A So, ∡DAP = ∡ BAP = y ( say) ................i) Again, ∡DAP = ∡ BPA  ......................ii)[ alternate angles are equal.] So, ∡ BAP =  ∡ .....

Football is kicked by .....

 Mother Sita also was known as 'Janaki' was born in Janakpur( the kingdom of King Janak ) which presently lies .....

To find the temperature when both are equal, we use an old algebra trick and just set ºF = ºC and solve one of the equations. °C = (°C ⨉ 9/5) + 32 °C - (°C ⨉ 9/5) = 32 -4/5 ⨉ °C = 32 °C = -32 .....

Ram Shah was born in 1606 BS. He was the son of Gorkhali King Purandhar Shah. Rama Shah was the King of Gorkha in Nepal. He ruled in Nepal from 1666 to 1693 .....

Here,  Initial velocity (u) = 72 km/hr = 72 ⨯ 1000 = 20 m/s                                                   .....

his question is related to A.P &G.P. Here, we can suppose 1sr term of A.P. be a and common ratio be d. Then t2= a+( 2-1)d=a+d ;    Similarly  t4 = a + 3d & t9. = a + 8d  Since, they are in GP, So .....

The cells are connected in series combination because: 1. We can add additional power devices, usually using batteries.     This will greatly increase the overall force of our output     by giving more power. 2. Series .....

You may know that, an electromagnet works in the following way: When current flows through it, it becomes magnetized, and immediately current stops flowing, it loses its magnetism. Soft magnetic bodies are used to make electromagnet .....

When an electric current is passed through a coil of wire wrapped around an iron nail, a very strong magnetic field is produced. Here, an iron nail is an .....

Copper is diamagnetic, it has no unpaired electrons and will interact with magnetic fields only very weakly. Most "non-magnetic" materials (such as water, plastic, wood, etc.) are diamagnetic. Diamagnetic atoms have no unpaired .....

There are numerous ways to soften water by removing these dissolved salts. Some of the methods to remove hardness from water are: 1. Chemical Process of Boiling Hard Water 2. Adding Slaked Lime (Clark's Process) 3. Adding Washing Soda 4. .....

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The Himalayan region comprises the highest areas of Nepal. This region lies above an altitude of 3300 m from the sea level at the northern belt of the country. Many of the highest peaks in the world above 8000 m, including Mt.Everest, the .....

3y - 2 = y + 8 or, 3y - y = 8 + 2 or, 2y = 10 or y = 10            2   ∴ y = 5          .....

Note: If,  a + b + c = 0 (a + b + c)3 = a3 + b3 + c3 + (3ab + 3bc + 3ca) (a + b + c) – 3abc Substitute for a + b + c = 0 in the above equation: 0 = a3 + b3 + c3 - 3abc  => 3abc =  a3 + b3 + c3 => [ a3 + b3 + c3] abc .....

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There are five permanent members of UNO. And there are 193 member states of it till this time. Well, UNO is working to maintain peace and security in the world but it is not free of pressure. The permanent members such as UK, USA, Russia, .....

The Sun gives light to the earth. Sun is the ball of fire. Sun gives us energy. Sun is larger, brighter, but they are so very far away. Earth and many other planets move around the .....

The cow gives us milk. The cow is our national .....

We have given,  D and C respectively denote the numbers of degrees and radian of an angle, We know,  D degrees  = D x  π/180c    [Since,  1o = π/180c  .] So,  Cc = D x  .....

The hour hand completes one complete rotation in 12 hours. So,12 hours = 360o Now, When it is at 5  the hour hand moves,   = 360/12 x 5 =  150.o   Now, you may also know that , For minute hand, At, 5 O'clock, it is .....

There are Eight planet in our solar system. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, .....

Solution: vector.a + vector.b = ( 3 , 4) + ( 5 , 6)                               = ( 3 + 5 , 4 + 6 )                     .....

ii)Solution: LHS = [ 1 - cos4A] / sin4A = [ 12 - (cos2A)2] / sin4A =[ 1 + cos2A)]  [ 1 -cos2A)]/ sin4A         [ using, a2 - b2 = ( a+b)(a - b).] = [ 1 + cos2A)] sin2A .....

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Solution: LHS = [ 1 - sin4A] / cos4A = [ 12 - (sin2A)2] /cos4A =[ 1 + sin2A)]  [ 1 -sin2A)]/ cos4A         [ using, a2 - b2 = ( a+b)(a - b).] = [ 1 + sin2A)] cos2A .....

 A sum, typically a set percentage of the value involved, paid to an agent in a commercial transaction. For example: You bought a house through an agent. He asks you to pay 50 lakhs. But  the actual cost of the house is 45 lakhs. The .....

Here, SP of 1 kg of vegetable  = Rs. 60 SP of 12 kg of vegetables (SP) = Rs. 60 ⨯ 12 = Rs. 720 Loss = Rs. 60 CP of 12 kg of vegetables  =? We have,                CP = SP + loss   .....

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स्वााभिमान कथाका रचनाकार चेतन वशिष्ठ हुन् । उनी आधुनिक नेपाली कथाकार हुन् । वशिष्ठले रचना .....

The five advantages of using multimedia in the classroom are as follows: - In depth understanding (connection between verbal and visual representations of content). - Enhanced problem solving. - Increased positive emotions. - Access to .....

The advantages of the internet are as follows: - Access to information related to different sectors. - Connecting and sharing of ideas through different social applications. - It has made online business possible. - Provides the enterainment to .....

The functions of washing machine are as follows: - To wash the clothes. - To dry the clothes. The functions of solar heater are as follows: - To store solar energy. - To warm water, cook food, .....

But, the world has advanced to the greatest extent and has introduced improved stove. Following are the benefits of improved stove: Improved stoves are smokeless and sustainable. This stove doesn't release harmful gases that affect the health .....

The different types of equipment and materials required for clay work are: Clay, Potter's wheel, Potter's needle, fettling knives,  Ribs and scrappers, loop, wire and ribbon tools, wooden modelling .....

OK, Here are the ways for making a paper kite. Try these ways to make the kite. 1. lay your paper down horizontally. 2. fold the paper in half.  3. mark a point on the top edge. 4. mark a point on the bottom edge. 5. draw a line .....

The five herbs that are used as medicines are as follows: - Garlic    Function: It helps fight against sickness particularly common cold. - Turmeric    Function: It increases the anti-oxidants capacity of the body. - .....

The five herbs that are used as medicines are as follows: - Garlic    Function: It helps fight against sickness particularly common cold. - Turmeric    Function: It increases the anti-oxidants capacity of the body. - .....

We can grow flowers in the farm for commercial purposes. The commercial farming of flowers is known as floriculture. Since Nepal is an agricultural country with different rituals and auspicious ceremonies, flowers are frequently .....