Answer Posted / esraa
nitrogen has 5 electron in outermost shell,this means its
valency 3, but valency may be 1 or 2 or 3
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is the application of hardness date in environmental engineering practice?
How is temporary hardness be removed?
Why is estimation of copper done at 620 nm wave length?
What is the formula you will use to calculate how many millilitres of 5.5 m naoh are required to prepare 400 ml of 1.5m naoh?
Give the principle of potentiometer titration.
Mention a few important criteria for satisfactory colorimetric analysis.
Why is the role of glycerol & naoh?
Write the equation of photosynthesis?
How is the measurement of ph made?
What is titration?
Give the others form of iron ore.
hi i got i 20 from sacred heart university u.s.a.i got good tofel score and my gre is score is very poor.my university requirement is only tofel.i completed my b.pharmacy in 2009 so i got 1 year gap is their chances to reject visa?what i have to do i was very tensed.how to sought out my problem
explain sour gas?
what is the indicator used?
What is molality?