tests for nitrogen

Tests for Nitrogen - (i) Nitrogen is a colorless, odorless, tasteless, neutral gas, which neither burns nor supports combustion. (ii) Burning magnesium ribbon Take nitrogen gas in a jar containing a small quantity of hot water. Introduce a burning magnesium r..

Nitrogen is a colorless, odorless, tasteless, neutral gas, which neither burns nor supports combustio..

A student took 16 mock tests. He received the average score in the 4 th , the 8 th and the 12 th tests. In 2 of the tests, he scored above average and in 5 of the tests, he scored below average. He got good scores in the remaining 6 tests...

In 1772 Daniel Rutherford discovered Nitrogen. Nitrogen is the first member of group 15 of the periodic table. Nitrogen exists as a diatomic molecule (N 2 ) with a triple bond between the nitrogen atoms (NN). So nitrogen gas is a..

It may be noted that lithium reacts with N 2 to form lithium nitride but sodium does not form sodium nitride...

Nitrogen forms nearly 78% of the volume of air. Earlier, the useful significance of nitrogen was not known and it was considered to be inactive. At that time, nitrogen was considered important only because it was known to moderate the processes of respiration and combu..

Introduction - Functional groups containing nitrogen are present in a variety of naturally occurring and man made organic compounds. These functional groups impart physico- chemical characteristics to these molecules. These groups are responsible for their unique chemical reactivity patte..

Jake had to appear for four Math tests each having the total score as 10. The scores he got in three tests are 8, 8 and 2. How many points should he score in his fourth test, to have a total of at least 26 in the four tests? => atmost 7 or atleast 1..

Edward took 16 mock tests. In 3 of the tests, his score is average. In 2 of the tests, his score is above average and in 5 of the tests his score is below average. In the remaining 6 tests his score is good. Which frequency distribution is..