Advertisements
Advertisements
Question
From the knowledge of activity series, name a metal which shows the following properties:
It displaces hydrogen from dilute HCl.
Solution
Zinc
APPEARS IN
RELATED QUESTIONS
Give an equation to express the reaction between:
Steam and red hot iron
Give an equation to express the reaction between:
Calcium and water
A small piece of calcium metal is put into a small trough containing water. There is effervescence and white turbidity is formed.
What do you observe when a few drops of red litmus solution are added to the turbid solution.
Hydrogen is obtained by displacement from:
- dilute sulphuric acid
- dilute hydrochloric acid
Write equations using zinc and iron.
Why does copper not show similar behavior?
Write a balanced equation for the reaction named metal with (i) boiling water (ii) steam.
Select the odd one out and justify your answer.
Fe, Zn, Cu and Mg
Which metal gives hydrogen with all of the following: water, acids, alkalis?
Correct the following statement:
Conc. H2SO4 reacts with zinc to liberate hydrogen.
Using dilute sulphuric acid how would you differentiate between:
Copper and magnesium
How would you identify the gaseous products evolved.
Name the following.
The salt formed when aluminium reacts with potassium hydroxide, during the preparation of hydrogen from alkalis.