UP Board Class 12 th Chemistry paper 1 is scheduled to be held on February 20, 2018, and Paper 2 will be held on February 22, 2018. Students find chemistry a difficult subject because of the chemical ...

“THE inability to balance a chemical equation is a most common difficulty to students of chemistry.” The author has attempted to remedy this very common weakness, and in addition to a concise ...

Students learn how to write and balance equations originally stated in words. Word Equations and Balancing: The law of conservation of mass is used to provide standard rules for writing and balancing ...

The processes like crystallisation, boiling, vaporisation, burning of colour, melting point, hardness etc, are called physical changes. These are reversible in nature. The processes like ...

School choice programs will succeed in improving options for children only insofar as they are able to create a functioning marketplace. Policymakers and educators must overcome supply-side hurdles to ...

“I am my own schedule keeper so long as I do not exceed my given hours for the week.” As a working chemist, a part-time graduate student in chemical engineering, and a mother of a three-year-old, ...

An iron nail is placed in a solution of blue copper(II) sulfate. Over time, a brown solid appears and the solution becomes colourless. This is because copper and a solution of iron(II) sulfate forms.

To balance an unbalanced equation, you need to add numbers to the left of one or more formulae. Here is one way to work out how to do this for the reaction between nitrogen and hydrogen.

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New Delhi [India], May 6 (ANI): Labelling India as an "indispensable part of the balancing equation for Australia", Australia's High Commissioner to India, Philip Green OAM, on Monday, said that the ...