In activity 1.7, gas collected in one of the test tubes is double of the amount collected in the other because water gets hydrolysed to release H2 and O2 gas. Here, after electrolysis two molecules of Hydrogen and one molecule of oxygen gas is released, hence the amount of Hydrogen collected would be double than that of oxygen.
Answered by Vishal kumar | 1 year agoProvide Some Important MCQ Questions for Class 10 Science Chemical Reactions and Equations with Answers?
Explain the following terms with one example each.
(a) Corrosion
(b) Rancidity Solution:
Oil and Fat containing food items are flushed with Nitrogen. Why?
Why do we apply paint on iron articles?
A shiny brown coloured element ‘X’ on heating in the air becomes black in colour. Name the element ‘X’ and the black coloured compound formed.