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प्रश्न
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.
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उत्तर
Compound A is NaCl and the anion is [Cl–].
संबंधित प्रश्न
State what would you observe when Washing Soda Crystals are exposed to the atmosphere
Name the raw material used for the production of caustic soda.
Complete and balance the following chemical equations:
`NaCI (aq) + H_2O (l) `
How would you show that blue copper sulphate crystals contain water of crystallisation?
Write the name and formula of one salt each which contains:
five molecules of water of crystallisation
You are asked to prepare hard water in your laboratory. Select a group from the following groups of salts, any salt of which you may dissolve in distilled water to obtain hard water.
(A) NaCl; Na2SO4; KCl
(B) NaCl; CaCl2; KCl
(C) CaCl2; CaSO4; MgSO4
(D) Na2SO4; CaSO4; MgSO4
Name a colourless gas which bleaches.
What are hygroscopic substances?
An aqueous solution of a salt turns blue litmus to red. The salt could be the one obtained by the reaction of ______.
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
