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प्रश्न
Name three chemicals made from common salt (or sodium chloride).
उत्तर
hemicals made from common salt:
- Sodium hydroxide (NaOH), or caustic soda
- Washing soda (Na2CO3.10H2O), or sodium carbonate decahydrate
- Baking soda (NaHCO3), or sodium hydrogen carbonate
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संबंधित प्रश्न
Complete and balance the following chemical equations:
`NaCl + NH_3 + H_2O +CO_2`→
Explain why chlorine is used for sterilising drinking water supply.
Consider the following salts:
Na2CO3, NaCl, NH4Cl, CH3COONa, K2SO4, (NH4)2SO4
Which of salts will give:
neutral solutions?
name two salts which are acidic.
name two salts which are neutral, when dissolved in water.
You are asked to prepare hard water in your laboratory. Select a group from the following groups of salts, any salt of which you may dissolve in distilled water to obtain hard water.
(A) NaCl; Na2SO4; KCl
(B) NaCl; CaCl2; KCl
(C) CaCl2; CaSO4; MgSO4
(D) Na2SO4; CaSO4; MgSO4
Define the following term: Hygroscopy.
Distinguish by a chemical test sodium chloride and sodium sulphite.
Identify the following substance:
Gas C has an offensive smell like rotten eggs.
You are provided with the list of chemicals mentioned below in the box:
| Sodium hydroxide solution, copper carbonate, zinc, hydrochloric acid, copper, dilute sulphuric acid, chlorine, iron |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Copper sulphate
