What is the safety curtain in cinema or theatre made off ?
What is General Properties of Bases ?
What are the electrodes used in the measurement of ph for the determination of pka?
Which gas is used in refrigeration plants ?
which acid present in soda water?
What is Filtration ?
Explain the Chemical change?
What are filters? Why are they used?
Why do eye-glasses become fogged, when the wearer comes form the cold outdoors into a warm room ?
What is soot or lamp black ?
What will happen when a big piece of quick lime is dropped in water ?
who invented the first projector?
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