Advertisements
Advertisements
प्रश्न
What do you observe when dilute sulphuric acid is added to granulated zinc?
Advertisements
उत्तर
When Zinc reacts with dilute sulphuric acid, hydrogen gas is evolved with an effervesence.
Zn + dil. H2SO4 → Zn SO4 + H2.
APPEARS IN
संबंधित प्रश्न
What do you observe when silver nitrate is added to a solution of sodium chloride?
Write chemical equation for the event.
Iron filings are dropped in aqueous solution of copper sulphate.
Divide the metals Cu, Zn, Ca, Mg, Fe, Na, Li into three groups, namely reactive metals, moderately reactive metals and less reactive metals.
State what is meant by the ‘reactivity series of metals’
Give a balanced equation for the following type of reaction:
A displacement reaction in which a metal above hydrogen in the reactivity series, displaces another metal from the solution of its compound.
In preparation of Aqua regia hydrochloric acid and _______ acid are mixed.
Classify the following metals based on their reactivity.
Cu, Zn, Ca, Mg, Fe, Na, Li, Hg
| More reactive | Moderately reactive | Less reactive |
Which among the following statements is incorrect for magnesium metal?
Which among the following alloys contain mercury as one of its constituents?
An element A burns with golden flame in air. It reacts with another element B, atomic number 17 to give a product C. An aqueous solution of product C on electrolysis gives a compound D and liberates hydrogen. Identify A, B, C and D. Also write down the equations for the reactions involved.
