a week ago Grade -10 (SEE) Chemistry

Electrovalent and Covalent Compound – Chemistry

Why are electrovalent compounds called ionic compounds whereas covalent compounds are called nonionic compounds?

a week ago Grade -10 (SEE) Environment

Absolute and Relative Conservation – Environment

What are the differences between absolute conservation and relative conservation?

4 weeks ago Grade -10 (SEE) Physics

Radiators in automobile are not completely filled

Radiators in automobiles are not completely filled why ???

a month ago Grade -10 (SEE) Chemistry

Carbondioxide passed through Water

What happens when carbon dioxide is passed through lime water for short and long period of time?

a month ago Grade -10 (SEE) Social Studies

Social rites and Culture

What are the social rites and culture regarded as?

a month ago Grade -10 (SEE) Astronomy

Difference between Comets and Asteroids

What is the difference between comet and asteroid?

a month ago Grade -10 (SEE) Physics

Determine Ploes of a Magnet

How can one determine the north (N) and south (S) pole of a magnet ?

a month ago Grade -10 (SEE) Physics

Gas used in Mercury vapour

Which gas is used in Mercury vapour ? And why ?

2 months ago Grade -10 (SEE) Math

Currency Conversion using chain rule

If $30 = Rs 2160 and £15 = Rs 1980, how many pounds can be exchanged for $44 ?

2 months ago Tribhuvan University > Institute of Science and Technology > M.Sc. Environmental Science Environment

Paper bags or plastic bags? Choosing greener bag

Over the past few years paper bags are gaining more attention because of their durability and environmental  friendliness. But considering the fact that it takes more energy to produce paper bags and emits more pollution during production compared to plastic bag, which bag  is more environmentally friendly and should be used?

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