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प्रश्न
Name two carbonates which do not produce carbon dioxide on heating.
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उत्तर
Potassium carbonate (K2CO3) and sodium carbonate (Na2CO3).
संबंधित प्रश्न
Identify the substance underlined, in the following case
A solid formed by reaction of two gases, one of which is acidic and the other basic in nature
Which of the following salt has a blue colour and why?
CuSO4.5H2O or CuSO4
Complete and balance the following chemical equations:
`NaCI (aq) + H_2O (l) `
When the concentrated aqueous solution of substance X is electrolysed, then NaOH, Cl2 and H2 are produced. Name the substance X. What is the special name of this process?
Give one example of a salt which gives an aqueous solution having:
pH less than 7
Name a salt whose solubility decreases with temperature.
Explain ‘salt hydrolysis’
Distinguish by a chemical test sodium carbonate and sodium sulphite.
Which of the following is not an acidic salt?
Many salts absorb water from the atmosphere. This property is called:
