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Question
Give a balanced equation when dilute hydrochloric acid is added to : Calcium carbonate
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Solution
CaCO3 + 2HCI → CaCl2 + H2O +CO2
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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 | _________ | _________ |
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- hydrogen
- chlorine?
Write equations for the reactions.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl->}\]
Write an equation for the reaction of hydrochloric acid on:
Manganese (IV) oxide
Complete and balance the following reaction, state whether dilute or cone. acid is used.
\[\ce{NH4OH + HCl ->}\]
Complete and balance the following reaction; state whether it is dilute or cone. acid is used.
\[\ce{NH_4OH + HCl ->}\]
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]
