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प्रश्न
Match the following:
| Column A | Column B |
| 1. A substance that turns moist starch iodide paper blue. | A. Ammonium sulphate |
| 2. A compound which release a reddish brown gas on reaction with concentrated sulphuric acid and copper turnings. | B. Lead carbonate |
| 3. A solution of this compound gives dirty green precipitate with sodium hydroxide. | C. Chlorine |
| 4. A compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride. | D. Copper nitrate |
| 5. A white solid which gives a yellow residue on heating | E. Ferrous sulphate |
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उत्तर
| Column A | Column B |
| 1. A substance that turns moist starch iodide paper blue. | C. Chlorine |
| 2. A compound which release a reddish brown gas on reaction with concentrated sulphuric acid and copper turnings. | D. Copper nitrate |
| 3. A solution of this compound gives dirty green precipitate with sodium hydroxide. | E. Ferrous sulphate |
| 4. A compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride. | A. Ammonium sulphate |
| 5. A white solid which gives a yellow residue on heating | B. Lead carbonate |
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संबंधित प्रश्न
Write a balanced equation for the action of dilute hydrochloric acid on sodium sulphide.
Dry hydrogen chloride gas can be collected by ________ displacement of air. (downward / upward)
Write an equation for the reaction of hydrochloric acid on zinc carbonate.
Give reason for the following:
An aqueous solution of chlorine in acidic in nature
Hint : Cl2 + H2O ⟶ HCl +HClO
What is the function of HCI in preparation of aqua-regia?
Fill in the blank:
On addition of silver nitrate to hydrochloric acid ___________ precipitate is formed which is soluble in ____________
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
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.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
The ratio between the volumes occupied by 4.4 grams of carbon dioxide and 2 grams of hydrogen gas is ______.
