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प्रश्न
What happens when carbon dioxide gas is passed through lime water for a short time?
Write equations of the reactions involved.
उत्तर
Lime water turns milky.
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संबंधित प्रश्न
Compounds such as alcohols and glucose also contain hydrogen but are not categorized as acids. Describe an activity to prove it.
Why do acids not show acidic behaviour in the absence of water?
Which gas is liberated when dilute hydrochloric acid reacts with sodium carbonate?
How will you test for the presence of this gas?
What is common in all the water soluble bases (or alkalis)?
What happens when carbon dioxide gas is passed through lime water for a considerable time ?
Write equations of the reactions involved.
Write the main difference between an acid and a base.
Choose the correct option from given alternative:
When a small amount of acid is added to water, the phenomena which occur are:
(A) Dilution
(B) Neutralization
(C) Formation of H3O+ ions
(D) Salt formation
Salt A commonly used in bakery products on heating gets converted into another salt B which itself is used for the removal of hardness of water and a gas C is evolved. The gas C when passed through lime water, turns it milky. Identify A, B and C.
- A compound 'A' with a molecular formula of \[\ce{C2H4O2}\] reacts with a base to give salt and water. Identify 'A', state its nature and the name of the functional group it possesses. Write chemical equation for the reaction involved.
- When the above stated compound 'A' reacts with another compound 'B' having molecular formula \[\ce{C2H6O}\] in the presence of an acid, a sweet smelling compound is 'C' formed.
- Identify 'B' and 'C'.
- State the role of acid in this reaction.
- Write chemical equation for the reaction involved.
