Which element is liquid at ordinary temperature ?
Answers were Sorted based on User's Feedback
What is the metal used to extract copper from the solution of copper sulphate?
Why is salt thrown on the frozen road ?
What is Catalysis ?
Though the secondary cell can be recharged again and again, still they have a lifetime. Why?
What is OOS $ OOT ?
What is determining factor in the oxidation reduction reaction?
What is positive testing in relation to chemistry? For example, the sentence reads "Sample solutions are solutions known to contain one of each of the following ions, silver ion, Ag+(aq), barium ion, Ba2+(aq), and iron (III) ion, Fe3+(aq). Testing solutions are the solutions containing a polyatomic ion that can react with one of the metal ions to give a positive test." I am then asked to define what a "positive test" is. I am currently a student who is pretty new to chemistry, please try and make your answer as simply as possible. Thanks for the help.
What s the difference between hard and soft coal ?
Why does a rose appear black when the light of any other colour except red is made to fall on it ?
What is the composition of gun-powder ?
How many elements have been discovered on the Periodic Table?
Why is ph increases suddenly after the equivalence point?