Advertisements
Advertisements
Question
A metal which produces hydrogen on reacting with alkali as well as with acid.
Options
Iron
Magnesium
Zinc
Copper
Advertisements
Solution
Zinc
Explanation:
With base: \[\ce{Zn + 2NaOH -> \underset{\text{Sodium zincate (Colourless)}}{Na2ZnO2 + H2}}\]
With acid: \[\ce{Zn + 2HCl -> ZnCl2 + H2}\]
RELATED QUESTIONS
Name a colourless cation not a representative element.
Write the probable colour of the following salt:
Aluminium acetate
Name the probable cation present in each of the following solution:
Light blue coloured solution
Write the colour of the following salt : Aluminium salts.
Write the colour of the following salt : Calcium salts.
Write balanced equation for the following reaction:
Chlorine and cold dilute sodium hydroxide solution.
Write balanced equation for the following reaction:
Zinc and sodium hydroxide solution
Write balanced equation for the following reaction:
Sulphur dioxide and sodium hydroxide solution
(Give the equation for the formation of the normal salt)
State what do you observe when:
Lead nitrate and sodium chloride are mixed.
Write the observation, and balanced equation for the following reaction:
Moist starch iodide paper is placed at the mouth of a test tube containing chlorine gas.
