Why is it dangerous to have a coal fire burning with doors and windows closed ?2 4566
Why does a diamond cut glass?2 4597
Why is the sea water saline ?9 13393
Why it is advised to boil water before drinking ?1 3534
Why is the percentage of oxygen today the same as it was thousands years ago, even though the whole world inhals it?1 3270
Why would we all suffocate, if all the green plants were killed ?1 2760
Why are substances like caustic soda and calcium chloride called hygroscopic substances ?2 3886
Why is sodium preserved in kerosene oil ?3 13196
Why is a newly made quit warmer than an old one ?1 2737
What causes smoke to curl up into the air ?1 3630
Why does a dog hang out his tongue, when it is hot ?2 3841
Why dies thermos flask keep a hot liquid hot and a cold liquid cold ?1 3053
Why does oil thrown on rough sea make it calmer ?1 2558
Why is heat more oppressive on a damp hot day ?1 2376
Why is dew formed more readily on clear nights than on cloudy ones ?1 3239
What is determining factor in the oxidation reduction reaction?
Acid value definition is number milligrams of koh required to nuetralise the acid present in one gram oil & fats but why not use naoh for nuetralisation?
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
Write the structural formula for edta.
How are the waters classified based on the degree of hardness?
What is molar conductivity?
How is hardness of water caused?
How is librated iodine estimated?
why is their exotherm while addition of reducing agents in reduction reaction?
Why titration in which hcl and h2so4 is use?
How are specific gravity and density related?
What is the white precipitate produced at the end of point?
What is chemical oxygen demand?
What are the advantages of conductometric titration over visual or potentiometric titration?
What is wave number?