Chemistry
Copy and complete the following table:
| Column 1 Substance reacted with acid | Column 2 Dilute or concentrated acid | Column 3 Gas |
|---|---|---|
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Related Questions
Copy and complete the following table relating to an important industrial process and it's final output.
Name of process Inputs Catalyst Equation for catalyzed reaction Output Contact Process Sulphur dioxide + oxygen Give reasons for the following.
(a) Sulphuric acid forms two types of salts with NaOH.
(b) A piece of wood becomes black when concentrated sulphuric acid is poured on it.
(c) Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
Why is water not added to concentrated H2SO4 in order to dilute it?