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प्रश्न
Write balanced chemical equation to show :
The behavior of H2SO4 as an acid when it reacts with magnesium.
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उत्तर
\[\ce{Mg + H2SO4 -> MgSO4 + H2}\]
संबंधित प्रश्न
Write balanced chemical equations to show : The oxidizing action of conc. Sulphuric acid on carbon
Give appropriate scientific reasons for The electrical conductivity of acetic acid is less in comparison to the electrical conductivity of dilute sulphuric acid at a given concentration.
Quicklime is not used to dry HCl gas because _____.
Why is water not added to concentrated H2SO4 in order to dilute it?
Name the products formed when hot and concentrated sulphuric acid reacts with Carbon.
Give main difference between drying agent and dehydrating agent.
Copy and complete the following table.
Column 3 has the names of gases to be prepared using the substance you enter in column 1, along with dilute or concentrated sulphuric acid, as indicated in column 2.
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated sulphuric acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Write the equation for the laboratory preparation of :
(i) Sodium sulphate using dilute sulphuric acid.
(ii) Lead sulphate using dilute sulphuric acid.
State one appropriate observation of the following:
Concentrated sulphuric acid is added dropwise to a crystal of hydrated copper sulphate.
State two observations when
A few crystals of KNO3 are heated in a hard glass tube
Rewrite the following statement by adding the correct word, as shown in the example:
|
Example: Given Statement: Ammonia changes moist red litmus to blue. Correct Statement: Aqueous ammonia changes moist red litmus to blue. |
Sulphuric acid acts as a dehydrating agent.
