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प्रश्न
Select the correct answer for the following options:
The gas which reacts with oxygen to give a neutral liquid.
विकल्प
Hydrogen
Copper [II] oxide
Oxygen
Copper [II] hydroxide
Ammonia
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उत्तर
Ammonia
APPEARS IN
संबंधित प्रश्न
How would you show that setting of curd is a chemical change?
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Tick the most appropriate answer.
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FILL IN THE BLANK
On reaction with sulphuric acid solution, barium chloride forms a white precipitate of ........ sulphate.
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| 1 . `H_2` + `CI_2` `→` 2HCI | a. displacement reaction |
| 2. `2FeCI_3`+ `H_2` `→` `2FeCI_2` +2HCI` | b. addition of an electronegative redical |
| 3. Fe + `CuSO_4` `→``FeSO_4` +Cu` | c. removal of an electronegative redical |
| 4. `2H_2O` +`4NO_2`+`O_2` `→` `4HNO_3` | d.reduction by adding hydrogen |
| 5. 3Fe +`3CI_2` `→` `2FeCI_3` | e.electrolysis of water |
| 6. `FeCI_3`+ 3NaOH `→``Fe(OH)_3``↓`+NaCI | F.double decomposition,precipitation reaction |
| 7.`2H_2O` `→` `2H_2``↑`+`O_2` | e. combination or synthesis reaction |
Give an example of a reaction where the following are involved
Catalyst
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When carbon dioxide is passed through lime water ______.
