Advertisements
Advertisements
प्रश्न
Copy and complete the following table:
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Advertisements
उत्तर
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated acid | Gas |
| Zinc | Dilute sulphuric acid | Hydrogen |
| Calcium carbonate acid | Concentrated sulphuric acid | Carbon dioxide |
| Bleaching power (CaOCl2) | Dilute sulphuric acid | Only chlorine |
APPEARS IN
संबंधित प्रश्न
What is the name given to the salts of sulphuric acid?
What would you observe in the following case?
Sulphur trioxide is dissolved in water on a large scale.
Give reason for the following:
Concentrated sulphuric acid must be stored in airtight bottles.
How are the following conversion brought about? Give equation and condition:
Sulphur trioxide to oleum.
A, B, C and D summarise the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non-Volatile acid
C = Oxidising agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following :
(i) Preparation of hydrogen chloride gas
(ii) Preparation of copper sulphate from copper oxide
(iii) Action of cone, sulphuric acid on sulphur
Making use only of substances chosen from those given below:
Dilute sulphuric acid
Sodium carbonate
Zinc
Sodium sulphite
Lead
Salcium carbonate
Give the equation for the reaction by which you could obtain:
(i) Hydrogen
(ii) Sulphur dioxide
(iii) Carbon dioxide
(iv) Zinc Carbonate (two steps required).
What property of conc. H2SO4 is made use of in the following case? Give an equation for the reaction in this case:
It’s reaction with ethanol.
Which property of sulphuric acid accounts for its use as a dehydrating agent?
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Base + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Carbonate/hydrogen carbonate + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
