Plz answer this as fast as u could............
Answers
1) Acid leaching is the process that convert insoluble sulphate ores into soluble sulphates.
2) A chemical substance that forms an easily fusible slag with gangrene is called as flux.
3) For spontaneous reaction, the change in free energy should be Negative.
4) Ortho silicates are also called as Soro silicates. (Shigin, I am not sur about this).
5) Compound used to remove the permanent hardness of water is Zeolite.
6) Diborate reacts with ammonia
at high temp to give borazole.
7) Copper sulphate solution forms blue coloured complex with excess of ammonia.
8) When phosphine is heated with air it burns to give phosphoric acid.
9) The rate of decomposition of ozone drops sharply in alkaline medium.
10) Molecular solid contains neutral molecules held together by weak vanderwaals forces.