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प्रश्न
After you have dinner tonight, wash your own plates with soap/detergent.
- What colour change is observed when soap/detergent is applied?
- Name the type of reaction and explain it.
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उत्तर
(a) When we wash our dinner plate with soap/detergent, the yellow oily leftover stains will turn red/orange due to its reaction with soap/detergent.
(b) It is a neutralisation reaction. The reaction between an acid and a base to form salt and water is called a neutralisation reaction.
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संबंधित प्रश्न
Sodium hydroxide and hydrochloric acid neutralise each other and form salt and water.
Fill in the blank.
The reaction between an acid and a base is called ..................
Classify the following reaction as combination, decomposition, displacement, precipitation and neutralization. Also balance the equation.
\[\ce{CuSO4_{(aq)} + H2S_{(s)} -> CuS_{(s)} + H2SO4_{(l)}}\]
What do you observe when an acid is added to a basic solution.
FILL IN THE BLANK
In a .............reaction, an acid reacts with a base to form salt and water as the only products.
Which substances are produced by the neutralization process?
Answer the following question:
Grills of doors and windows are always painted before they are used? Give reason.
Differentiate between the following:
Neutralization reaction and a precipitation reaction.
Explain the neutralization reactions in our daily life.
Products of a neutralisation reaction are always ______.
Neutralisation reaction is a ______.
Look at the given reaction.
Hydrochloric acid + Sodium hydroxide (base) → Sodium chloride (salt) + Water
Sodium chloride formed in this reaction remains in solution form. Can we get solid sodium chloride from this solution? Suggest a method (if any).
Assertion: To neutralize the excess acid formed in the stomach, milk of magnesia is taken.
Reason: Milk of magnesia contains a base called magnesium hydroxide.
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