Advertisements
Advertisements
प्रश्न
Which of the following phenomena occur when a small amount of acid is added to water?
- Ionisation
- Neutralisation
- Dilution
- Salt formation
विकल्प
(i) and (ii)
(i) and (iii)
(ii) and (iii)
(ii) and (iv)
उत्तर
(ii) and (iv)
Explanation -
Water helps in the ionisation of acid and also in its dilution.
APPEARS IN
संबंधित प्रश्न
What colour do the following indicators turn when added to a base or alkali (such as sodium hydroxide)?
red cabbage extract
What colours do the following indicators turn when added to an acid (such as hydrochloric acid)?
methyl orange
Fill in the blank in the following sentences:
Acids produce.......................... ions on dissolving in water.
What happens when dilute hydrochloric acid is added to sodium carbonate? Write a balanced chemical equation of the reaction involved.
Explain with an example. Give the chemical equation of the reaction which takes place.
You have been provided with three test-bubes. One of these test-tubes contains distilled water and the other two contain an acidic and a basic solution respectively. If you are given only blue litmus paper, how will you identify the contents of each test-tube?
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
Answer the following question.
Blue litmus solution is added to two test tubes A and B containing dilute HCl and NaOH solution respectively. In which test tube a colour change will be observed? State the colour change and give its reason.
Identify the correct representation of reaction occurring during chloralkali process
A metal carbonate X on reacting with an acid gives a gas which when passed through a solution Y gives the carbonate back. On the other hand, a gas G that is obtained at anode during electrolysis of brine is passed on dry Y, It gives a compound Z, used for disinfecting drinking water. Identity X, Y, G and Z.