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प्रश्न
Carbon dioxide and sulphur dioxide gas can be distinguished by using ______.
विकल्प
moist blue litmus paper
lime water
acidified potassium dichromate paper
none of the above
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उत्तर
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संबंधित प्रश्न
Write a balanced chemical equation for the preparation of the following salts
Copper carbonate
What kind of salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
How is the following salt prepared:
Lead carbonate from lead nitrate.
How is the following salt prepared:
Sodium nitrate from sodium hydroxide.
Give the preparation of the salt shown in the left column by matching with the methods given in the right column. Write a balanced equation for each preparation.
| Salt | Method of preparation |
| Zinc Sulphate | Precipitation |
| Ferrous sulphide | Oxidation |
| Barium Sulphate | Displacement |
| Ferric sulphate | Neutralisation |
| Sodium sulphate | Synthesis |
Explain why fused calcium chloride is used in the preparation of FeCI3?
Choosing the correct words given in brackets, complete the sentence given below: Lead sulphate from lead nitrate.
Give the equation for the preparation of the following salt from the starting material given.
Iron (III) Chloride from Iron
You are provided with the following chemicals:
NaOH, Na2CO3, H2O, Zn(OH)2, CO2, HCI, Fe, H2SO4, CI2, Zn.
Using the suitable chemicals from the given list only, state briefly how you would prepare sodium zincate.
Select the word/s given which are required to correctly complete the blanks.
When solution M and O are mixed together, the products will be ______ and ______.
