Students and Teachers Forum

KOH is a strong base because it will quickly dissociate in water to form K+ and OH- ions. Proton (H+) acceptor, it is a very strong base as the OH- will accept a proton very readily from the acid as its negative charge makes it a very strong .....

The bright red hemoglobin that is a combination of hemoglobin and oxygen from the lungs; "oxyhemoglobin transports oxygen to the cells of the body" .....

Due to various conditions, Nepalese youths work abroad. Some of the major advantages of youths working abroad are: they help the nation to earn invaluable foreign reserve the skill they learn while working abroad could be helpful for Nepal in .....

Here, Cota = 4/3. or, cosa / sina = 4k/3k Thus, cosa = 4k & sina = 3k. We have given, (3 cosa + 2 sina)/(3 cosa - 2sina) = (3.4k + 2.3k)/(3.4k - 2.3k) = (18k/6k) = .....

Nepal could not have achieved social, economic and political changes without political parties. Great roles have been played by political parties to establish democracy in Nepal. They have played a great role to unify Nepalese people. Political .....

Agriculture may be defined as a practice of cultivating plants and animals for personal consumption or for sale. Agriculture does not only produce food items but also produces the raw materials needed to operate the large and small scale .....

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Example:  The meter (symbol: m), used to measure length. The kilogram (symbol: kg), used to measure .....

We have given equation,  3x + y = 6 .........(i) 2x - y = 4...........(ii) Adding (i & (ii), 5x = 10  or, x = 2. Putting x = 2 in (i), we get y = 6 - 6 = 0. Thus, the point is (2, 0) = (x1, y1) and (4, - 2) =(x2, y2) Finally, .....

The medulla oblongata is the part of the hind brain and located in the brain stem. It is extended to the spinal cord. Through pons, it is connected to the midbrain. It is the controlling centre for heart and lung. It regulates involuntary .....

Let the three numbers are a, b & c. So, b - a = 10 ⟹ b =  10 + a, ..............(i)  c - b = 12 ⟹ c = 12 + b = 12 + 10 + a .............(ii) [From i] And, a + b + c = 47. or, a + 10 + a + 22 + a = 47. or, 3a  = .....

Let age of father be a. Then, Age of son = 20/100 x age of father = a/5 Sum of their age = 42 or, a + a/5 = 42 or, 6a/5 = 42 or, a = 35. Thus, age of the father is 35 .....

Here, Volume of ice cream in cylinder(V) = πr2h = π x (12cm) x 15cm =.......... Volume of ice cream in cone(v) = 1/3 x π r2h + 2/3 x πr3 = 1/3 x π x (3cm)2 x 12cm + 2/3 x π (3cm)3=........ No. of .....

We know that Nepal is geographically diverse nation. Nepal is graphically divided in hot Terai belt, cool mountainous region and cold Himalayan region. Due to vast differences in the climatic condition, there are significant differences in the .....

Clouds are made up of tiny droplets or frozen crystals of water. Most clouds form as warm air rises in the atmosphere and cools down. All air contains some water vapor and warm air can hold more water vapor than cold air. As the warm air cools .....

Here, ∡ROQ = ∡Q = x            [ Since, OR = OQ is given.] In triangle ROQ,     ∡ROQ + ∡Q .....

Let x be  the number, Then,       x + 1/x = 10/3 Or, (x2 + 1)/x = 10/3 Or, 3x2 + 3 = 10x Or, 3x2 - 10x + 3 = 0 Or, 3x2 - 9x - x + 3 = 0 Or, (3x - 1)(x - 3) = 0 Either, 3x - 1 = 0 ⟹ x = .....

Hundi is an unconditional order in writing made by a person directing another to pay a certain sum of money to a person named in the order. Many of the workers employed still send money to Nepal through Hundi and face many issues. Some the .....

Insurance is a contract and is represented by a policy. It provides an individual or entity financial protection or reimbursement against losses from an insurance company. If I were an insurance agent some of the advantages of animal and .....

Some of the problems in Nepal are: illiteracy and unemployment gender discrimination against female centralization of power slow judicial system inappropriate information to the public about the activities of the .....

Though Nepal is an agro-based economy, agriculture contributes very less to national GDP. Many farmers are still dependent on traditional farming practice. Some of the ways to modernise agriculture practice in Nepal are: The government should .....

Though Nepal is second only to Brazil in terms of water resources, many of her water resources have been drying up recently. Some of the measure Nepal may take to stop her water resources drying up are: work along with international communities .....

The national planning commission is the authoritative body of Nepal that is responsible for formulating plans for overall development of nation. Some of the programmes I would implement if I were VP of National planning commission are: formulate .....

Social problems may be defines as events or series of events that have an adverse effect on the community and society. In the context of Nepal, social problems are increasing each day. Some of the reasons are: Lack of awareness in the public .....

Some of the importance of economic plannings are: To ensure the efficient utilization of the available resources. .....

Some of the differences between Nepal and Europe are: Nepal is still an agro-based economy while Europe is an industralised economy Nepal is a landlocked nation but very few European nations are landlocked Hindusim is dominant religion of Nepal .....

Here, ∡OAN = 90o          [ Radius is perpendicular to the tangent.] or, ∡OAC + ∡CAN = 90o or, ∡OAC + 2∡OAC = 90o or, ∡OAC = 90o/3 = 30o So, ∡CAN = 2∡OAC = 60o ∡CAN = ∡OCA= 60o  .....

Here,  Using,  Tanθ = p/b or, tan45o = 14cm/r or, 1 = 14cm/r or, r = 14cm. Now,  Volume = 1/3 x πr2h  = 1/3 x 22/7 x 142 x 14 = .....

Let A - B = P , B-A = Q  and C-A = R So P + Q + R  =  0 Or, P + Q = - R Or,  tan(P + Q ) = -tanR Or, tanP + tanQ / ( 1- tanP.tanQ) = -tanR Or, tanP + tanQ = -tanR + tanP.tanQ.tanR Or, tanP +tanQ + tanR = .....

Gender equality may be defined as the unbiased treatment between the males and the females without any kind of social, religious and cultural discrimination. So, the population can be controlled by maintaining gender equality. When both the sexes .....

यसैलाई आधार बनाई निबन्ध लेख्ने अभ्यास गर्नुहोस् है त .....

Though family planning and planning of family may sound in fact they are different terms. Planning of family may refer to a proper plan that is designed to begin a family, earn a livelihood, provide the proper education and other social and .....

The ways to empower women are as follows: - Women education should be focused a lot. - Women should be provided with vocational training so that they can be self-dependant. - Encouragement for running self-dependent economic activities should be .....

It is generally seen that women who are engaged in house activities or in agricultural activities bear more children that those who are involved in some office work. Some of the reasons for them bearing more children are: they are more likely to .....

Let r be the radius, h be the height and l be the slant height of the cone. We know, l2 = r2 + h2 or, (20√2)2 = r2 + r2       [ Since, r = h.] or, (20√2)2 = 2r2 or, r = .....

Though Nepal was declared a federal nation with seven provinces along with promulgation of the Constitution 2072, many of her provinces have not been named along with declaration of their capitals. Some of their reasons are: lack of political .....

Here, the difference between the longitudinal coordinates is 40-85 = -45, ie, Kathmandu lies east of Mecca-Mediina. So, time in Kathmandu is always ahead of Mecca-Medina. We know that with each 15o the time changes by 60 minutes. So, for 45o .....

Humans have developed technology to make their life easier. Our life is dependent on technology in one way or another; be it education, health, communication and others. However, there is a rising trend in misuse of such technology which was .....

1. ∡POR = ∡R           [ PQ//RS, alternate angles.] 2. ∡QOS = ∡S            [ same as 1.] 3. ∡R = ∡S            .....

The peacekeeping force may be defined as a force designated for the maintenance of peace especially to prevent the further escalation of the conflict between the hostile parties in the area. Nepal sent her soldiers as peacekeepers first in 1958 AD .....

Democracy may be defined as the political system in the government is elected by the majority of the member of an elected parliament. Some of the principles of democratic culture are: Rule of law and social justice Liberal economic and political .....

Fossils are the preserved remains or traces of animals, plants, and other organisms from the remote past. These are the remains of the organisms which lived many years ago. The comparison of the fossils can be helpful to study the characters of .....

Please .....

We know that Terai lies in the southern region of Nepal is much fertile than the Himalayan region and the Mountainous region. The temperature is hot and hot and humid but due to highly fertile land, the population density is very high. Tharus and .....

Let d be the required distance and M & m are the mass of the bodies. From the 1st case, F1 = 580N or, GMm/(2.5x107m)2 = 580         [ Since, d= 2.5x104 km] or, GMm = 580 x (2.5 x .....

The required point is (a, .....

The required point is (2, .....

Human resources may be defined as the most important resource that may employ the other two resources for developmental activities. Some of the efforts that has been made in Nepal of the production of necessary human resources are: increasing .....

Animals and plants are used for breeding to produce their new varieties. It can be possible only by improving their quality and production. Wild animals, birds, forest materials, crops, and other living beings can be used tor breeding. This breeding .....

Sandwiched between Asian giants, Nepal is a small landlocked nation. Her altitude ranges from 59 m to 8, 848m. There is a plain land of Terai in the south, high Himalayan ranges in the North and lying between them is them is the mountainous region .....