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प्रश्न
Name gases which has a sour taste.
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उत्तर
Acidic gases like HCl, SO2, H2S.
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संबंधित प्रश्न
State what would you observe when Washing Soda Crystals are exposed to the atmosphere
Give one word or a phrase:
The property by which certain hydrated salts, when left exposed to atmosphere, lose their water of crystallization and crumble into powder.
State whether the following statement is true or false:
Copper sulphate crystals are always wet due to the presence of water of crystallisation in them.
Name the anion present in the following compound:
Compound A, when warmed with concentrated sulphuric acid, gives a gas which fumes in moist air and which gives dense white fumes with ammonia.
Copy and complete the following table which refers to the action of heat on some carbonates:
| Carbonate | Colour of residue on cooling |
| Zinc Carbonate | |
| Lead carbonate | |
| Copper carbonate |
Identify the following substance:
Gas C has an offensive smell like rotten eggs.
A salt that is formed by the complete neutralization of an acid and a base is called ______ salt.
How is normal salt obtained? Give a suitable reaction.
You are provided with the list of chemicals mentioned below in the box:
| Sodium hydroxide solution, copper carbonate, zinc, hydrochloric acid, copper, dilute sulphuric acid, chlorine, iron |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Copper sulphate
Select the correct answer from A, B, C, D and E.
A compound which in the aqueous solution state, is neutral in nature.
