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A compound in which all water molecules are removed is called Anhydrous salt. Example: Heating of Copper sulphate pentahydrate (CuSO4.5H2O) produce anhydrous copper sulphate(CuSO4­) CuSO4. 5H2O  .....

Has anyone taken birth recently in your family? If yes, you ask the mother of the baby if birth certificate has been taken. Yes, if anyone takes birth or dies or migrates, they should take the certificate from the government offices. The .....

You can take an example of Hilly and Terai Region. The Terai is densely populated. The reason is that Terai Region is more developed that Hilly Region. And people migrate from Hill to Terai. Similarly, development is necessary because it is the .....

To prove this, join P & C.   Now, △DPC=1/2 of //gm ABCD. ....................i) △DPC=1/2 of //gmPQRD...............................ii) From these two relation,  1/2 of //gm ABCD=1/2 of //gmPQRD or. //gm ABCD= .....

To prove we have to use the theorem ; triangles on same base and between same //s are equal in area. Here, △BCD=△BDE now adding △ADB on both we get,   △BCD+△ADB =△BDE+△ADB or,qd .....

velocity=displacement/time It means that the car travels a distance of 50 km in 1 hour in a particular .....

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They are teachers who are my pride They make our mind wide. The are not less than parents and guardians Yes, they behave sometimes like friends I worship teachers As they are knowledge givers. Teachers make our school good No student should be .....

Experimental verification of joule’s law:

Let us consider a calorimeter containing 2/3 rd water of calorimeter. A .....

1. Monomial: An algebraic expression which consists of one non-zero term only is called a monomial.

Examples of monomials:

a is a monomial in one variable a.

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जीवनी भनेको कुनै पनि व्यक्ती विशेषको जीवनमा आधारित भएर लेखिने व्यक्ती वृतान्त हो ।  जीवनी .....

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Brajal, you cannot put x-intercept and y-intercept = k in the given question. There is no any information about two intercept equal. Question only says that the product of intercepts is 12. So, you will have to use that. I hope you .....

As by the above figure of reactive series, Platinum is least reactive of all, so there is no reaction between carbon and platinum. As platinum is chemically neutral and will not oxidize in air at any temperature. It is resistant .....

An exothermic reaction is a chemical reaction that releases energy by light or heat. It is the opposite of an endothermic reaction. Expressed in a chemical equation: Reactants → Products + .....

When carbondioxide is passed through lime water, milky .....

1. Integumentary System: skin, connective tissue, and fascia  2. Muscular System: muscles  3. Skeletal and Articular System: skeleton, joints, tendons, and ligaments  4. Respiratory System: nose, larynx, lungs  5. Digestive .....

The compound of carbon along with hydrogen and other elements covalently linked with each- other is called as organic compound. In other word, the compounds found in living organisms or their product is known as organic compound. The main .....

Water gas is a mixture of carbon monoxide and hydrogen produced from synthesis gas.   Used to remove carbon monoxide from fuel cell applications Reaction with producer gas to produce fuel gas Used to gain .....

Speed= distance/time taken........................i distance=? speed=0.02 km/hr=0.02 x 1000/ (60 x 60) time= 1 hr = 60 x 60 sec Place the given values after conversion in equation (i), and calculate .....

Reaction of carbon with oxygen i) in presence of sufficient oxygen Carbondioxide is formed.

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Coumpound associated with living organisms are organic. These include nucleic acids, fats, sugars, proteins, enzymes and hydrocarbon fuels. All organic molecules contain carbon, nearly all contain hydrogen, and many also contain .....

Both diamond and graphite are allotropes of carbon i.e. they both have  same chemical composition but show different physical properties. It happens owing to their difference in structure. One of their difference is conductivity. Diamond is .....

Social evil is anything that could be considered harmful or dangerous to a society and/or community. 

Some examples include, but are not limited to, crime, homelessness, drug use and poor education. While these types of issues are rather .....

Cytokinins are a group of hormones that promote cell division in plant roots and shoots and the growth of buds. These hormones have been found in all complex plants as well as mosses, fungi, and bacteria. There are about 200 different .....

10% students failed both the subjects. So, 90% students passed the exam. This gives us set (S ∪ .....

You may have learnt the formula to calculate the area of the path. If w is the width of the path, then For this case,  Area of path = l × b - (l - 2w)(b - 2w) As shown in figure,  l = 2b and w = 2 m Substitute the .....

Myopia may be corrected with lenses.  Concave lenses are used here.  They spread the light out before it reaches the convex lens in the eye, therefore letting the image focus directly on the .....

2. External influences can create mutations Mutations can also be caused by exposure to specific chemicals or radiation. These agents cause the DNA to break down. This is not necessarily unnatural even in the most isolated and pristine .....

All these images of diffreent senses create an image of a grandmother who is a rustic woman with simplicity and loving and inspiring to the .....

See -the visual images -the poet can recognize her by her purple scarf and the plastic shopping bag. He has used the image created by the sense of smell that is olfacctory the smell or roots. What does it refer to?  Where is she from? rural or .....

You might have learnt about Hydrogenation. Nearly all organic compounds containing multiple bonds. As Hydrogenation is a process in which hydrogen is added to unsaturated food containing double or triple bond. The addition of the hydrogen is .....

 पञ्चम वर्ण भनेका ङ , ञ , ण , न , म  वर्ण हुन् ।  यी शब्दलाई पनि यीनै पञ्चम वर्ण प्रयोग गरेर यसरी .....

Paper Chromatography This method is often used in the food industry. It is used to identify chemicals (coloring agents) in foods or inks. For example, if a scientist wants to know how many substances are in a particular blob of ink, paper .....

If you do not believe on it then you can express your negative attitudes- that the positions of the stars cannot be related to our fate because they are different .....

निबन्ध आत्माअभिव्यक्तिको एउटा सशक्त साहित्यिक माध्यम हो निबन्ध लेख्दा मूख्य रुपमा तल .....

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Here, we have

Ok, you are .....

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There is no excuse, is .....

You may have gone near the rivers to play. Did you notice the diferent kinds of pebbles on the sides of rivers? They are hard to .....

It means "human .....

स्याल तँ हामीलाई नखा त्यहाँ पर एउटा बलियो मृग चरिरहेको थियो   भने पछि स्याल  त्यता कुदेछ अनि .....

Sources of Carbon

1) Major source of carbon for the living world is carbon dioxide. 

3) Fossil fuels like peat, coal and .....

In conclusion, write what you mention in the introduction section in a new .....

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Society is a group of different communities Living together to interact with each other, cooperate with each other to achieve a common .....