Advertisements
Advertisements
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.
Advertisements
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.
APPEARS IN
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 ..................
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.
Answer the following:
What is corrosion? Do gold ornaments corrode? Justify.
Differentiate between the following:
Neutralization reaction and a precipitation reaction.
Explain the neutralization reactions in our daily life.
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).
Form a sentence using the following words – baking soda, ant bite, moist, effect, neutralised, rubbing.
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.
What is the reaction between an acid and a base called?
Write a note on:
Ant bite
Write a note on:
Wasp bite
What is the difference between an ant sting and a wasp sting?
