Similarly, Car uses petroleum. Petroleum contains chemical energy. When car is started, it starts to move. At the same time, the electronic devices fitted in the car also operates.  It is because of the battery fitted in the car. The .....

A baby bear is called .....

When ethanol is dehydrogenated ethanal is obtain i.e alcoholic functional group is changed into aldehyde functional group. Ethanl  being aldehyde group reduces tollen's reagents (ammonical silver nitrate) to metallic silver giving .....

When we rub our hands, there is friction between the hands. Because of friction, heat is produced in our hands. This makes us feel warmer. So, when there is friction between any two substances, heat is .....

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You may know that when wood is burnt,  Ashes, carbon dioxide gas and water vapour are produced as major products. Similarly, glowing splinter burns in oxygen forming ashes, carbon dioxide and other .....

Cost of 6kg of rice =Rs144 So, cost of 1 kg =Rs144/6                          =Rs.24 Hence, cost of 9kg rice = 9 x Rs.24=...........calculate .....

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You might have learnt about gravitational force. The Solar System was formed from a rotating cloud of gas and dust which spun around a newly forming star, our Sun, at its center. The planets all formed from this spinning disk-shaped cloud, and .....

 (क) टिपन अनेकार्थी शब्द हो । (ख्) कोपीलाको पर्यायवाची शब्द मुकल हो ।  (ग) सङ्किर्ण शब्दको .....

Its the faith that the government gives to that piece of paper or lump of metal which makes its value more than its actual value. You must have seen in a paper note of rupees 5 written as "nepal sarkar ko jamaanat praapta yesko rupaiya .....

The most common way of capturing the energy from geothermal sources is to tap into naturally occurring "hydrothermal convection" systems, where cooler water seeps into Earth's crust, is heated up, and then rises to the surface. Once .....

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The sublimate is that compound which is obtained after sublimation .....

Thus, school is the second home of any children. They learn many things from there. They form the good habits from schools. Therefore, school is the place where people learn to be a social human. Further, school is the temple of wisdom where .....

You know, heat is a thermal energy. It transfes from  one body to another, if there is difference in temperature. It flows from substances with higher temperatures to substances with lower temperatures until the thermal equilibrium is .....

Thank you for the comment. BC is the horizontal distance between first stone and the position of aeroplane vertically downward on same plane. The sum of BC and CD will give you the length of BD which is equal to 2.366 km. Use tangent function in .....

Carbohydrates regulate of blood glucose. They also spare the use of proteins for energy. Carbohydrates are useful in the breakdown of fatty acids in the .....

Do you know, to construct a triangle, sum of two side must be greater then third side. For example, We can construct a triangle of sides, 4cm, 5cm and 6.5 cm. But we can't make a triangles with sides,  4cm 5cm and 7cm. Now can you write .....

Any developmental activities use the natural resources. Sometimes the developmental activities exploit the resources For example, while constructing roads, people cut down the trees. Similarly, when the brick factory is established in a .....

पारख   गुणदोष छुट्याउने काम बुबाआमाले छोराछोरीको पारख छुट्याउन सक्नुहुन्छ .....

Question number g. Here, 1. p + 94 = 180 [ Since, p and 94 are co-interior angle] Then, find p. 2. q = p [ Since, q and p are corresponding angle] 3. r = q [ Since, r and q are alternate angles] 4. r + s = 180 [ Being x and y are in straight .....

Secondary alcohol is the alcohol in which -OH group is attached directly to that carbon which is attached to 2 R group. Whereas isophenyl alcohol is the those in which branched methyl group is present at any position except that carbon which have .....

Similarly, most developmenta work contributes to pollution through higher emissions of carbon dioxide which has been causing global warming. Overcrowd is another disadvantage of development .....

Wildlife Conservation is the practice of protecting wild plant and animal species and their habitats. Wildlife plays an important role in balancing the environment and provides stability to different natural processes of nature.  There .....

You know air. We cannot see air, however, you may have learnt that air is the mixture of different gases. Try filling air inside a cylinder. You can fill large amount of air in the cylinder. It is because air is compressible. Thus, gases are .....

looks as though and a .....

The simmilarities between flowering and non-flowering plants are as follows: 1. Most of the non-flowering plants and all flowering plants are green in color due to the presence of chlorophyll in them. 2. Green non-flowering plants and flowering .....

Find the sum of the digits of the given number. That is, 2+3+7+0+2 = 14 See if the number you get after adding the digit is multiple of '3' or not. Since '14' is not a multiple of '3', the given number isnot divisible by .....

There are so many uses of pulley in our daily life.   Pulley is used in raising a flag on a flagpole because the process begins by attaching the flag to a rope at two corners.  The rope runs up to a pulley and back down. The .....

Givem Density of benzene at 0⁰ C = 9 x 102 kgm-3 Density of wood at 0⁰ C = 8.8 x 102 kgm-3 Cubical expansion of benzene = 1.2 x 10-3k-1 Cubical expansion of wood = 1.5 x 10-4k-1 The wooden block begins to sink .....

In solid state matter occupy fixed volume and have fixed .....

Alkali metals are more reactive than alkaline earth .....

Can you tell me the meaning of your .....

When we play chess, we have to think deeply for every step so that our pieces remains .....

Cows eats a grass, a mixture of grass hay, grains as well as .....

Oxygen gas and carbon dioxide gas are exchanged when breathing. Carbon dioxude gas is exhaled out (removed from body). All other gases is removed from the body along carbon dioxide .....

I give you here short notes of both term, please find the differences.  Polarizatio :-When a primary cell delivers current to an external circuit, chemical reactions occur inside the cell, and the products of the reaction accumulate around .....

If you're doing this in your home, there's an easier way. Plug a radio into a socket and turn it on high. Go to the load center and start turning off breakers until the radio turns off. Now you know what circuit that room is on. While .....

You know larva is an active stage in the life cycle of any insect.  The larva of mosquito is very active.  It feeds on the protozoans and micro-organisms present in the dirty water where it grows.  It feeds on vigorously.  It .....

Conclue with a positive note. In Nepal, women are functioning as doctors, teachers, lawyers, and responsible officers. We are now fully alive to the need of imparting .....

Polarization is caused by the deposition of the hydrogen gas on the surface of the copper plate in the form of small bubbles. They prevent the hydrogen ions from reaching the copper plate and thus the current given by the cell, decreases .....

In a very simple cell formed from zinc and copper electrodes suspended in a weak acid solution, you can see local action actually happening. The zinc becomes coated with hydrogen bubbles, as a result of its reacting with the acid, even when no .....

हामीलाई थाहै छ वनमा नदी कसरी बग्छ लहरा पहराको प्रवाह नगरी आफ्नै तालमा कतै सानो भएर कतै पुरै .....

According to scientists, about 510.1 million .....

What is your .....

Mode is the most frequent item in the given observation. It shows that this item occurs frequently and around which the other item of the series are most heavily concentrated. Take this simple example. the marks obtained by 5 students in .....

ऊ निदाउरो दुब्लो छ । ऊ निदाउरो ख्याउटे छ । ऊ निदाउरो थियो । ऊ निदाउरो मोटो छ । ऊ निदाउरो मोटो छ .....

Iron particles burns actively forming iron oxide. 4Fe + .....

we have,    2a x 3b = .....