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Question
Name a compound which produces carbon dioxide on heating.
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Solution
Zinc carbonate
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RELATED QUESTIONS
What do you observe when Ammonia is brought in contact of hydrogen chloride.gas.
What do you observe when ammonium chloride is dissolved in water.
Identify the endothermic and exothermic reaction.
\[\ce{2KClO_{3(s)}->[\Delta] 2KCl_{(s)} + 3O2}\]
Identify the endothermic and exothermic reaction.
\[\ce{CaCO_{3(s)}->[\Delta] CaO_{(s)} + CO2}\]
Write an Explanation.
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Match the following:
| Colum I | Column II | ||
| 1. | Alloying | a. | Exothermic change |
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| 3. | Soap powder + water | c. | Mixing of molten solids |
| 4. | Seasonal changes | d. | Pure solid |
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\[\ce{2KClO3 -> 2KCl + 3O2 ^}\]
Give a scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
Give scientific reason.
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Give a scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
