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प्रश्न
Name an element which reacts with hydrogen to form a compound which is strongly acidic in water.
उत्तर
Hydrogen reacts with chlorine to form hydrogen chloride.
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संबंधित प्रश्न
State your observations when Dilute Hydrochloric acid is added to Copper carbonate
Give three distinct test [apart from using an indicator] you would carry out with solution of \[\ce{HCl}\] to illustrate the typical properties of an acid.
Convert two soluble metallic nitrates to insoluble metallic chlorides using \[\ce{dil. HCl}\].
Name the following:
A metallic oxide which reacts with hydrochloric acid to give a coloured solution.
State the use of aqua-regia.
What must be added to sodium chloride to prepare hydrogen chloride?
A solution of hydrogen chloride in water is prepared. The following substances are added to separate portions of the solution:
| S. No. | Substances added | Gas evolved | Odour |
| 1. | Calcium carbonate | _________ | _________ |
| 2. | Magnesium ribbon | _________ | _________ |
| 3. | Manganese (IV) oxide with heating | _________ | _________ |
| 4. | Sodium sulphide | _________ | _________ |
Complete the table by writing the gas evolved in each case and its odour.
Identify the salts P and Q from the observation given below:
When dilute HCl is added to a salt Q, a brisk effervescence is produced and the gas turns lime water milky. When NH4OH soltion is added to the above mixture (after adding dilute HCl), it produces a white precipitate which is soluble in excess NH4OH solution.
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron (II) sulphide
Write observation:
A small piece of zinc is added to dilute hydrochloric acid.
