Care must be taken while mixing concentrated acids with water. The acid must always be added slowly to water with constant stirring. If water is added to concentrated acid, the heat generated may cause the mixture to splash out and cause burns. Mixing water to an acid or a base is called dilution and acid or the base is said to be diluted. (i) Name any two concentrated acids. (ii) What are the effects observed when water is added to concentrated acid? (iii) How is an acid or a base diluted? (iv) Why is it necessary to dilute acid or a base?
Answers
Answer:
“Does Homework Promote Learning” Put your views in favour of the motion in 100 -120
words for a debate competition to be organized in your school.
“Does Homework Promote Learning” Put your views in favour of the motion in 100 -120
words for a debate competition to be organized in your school.
Explanation:
“Does Homework Promote Learning” Put your views in favour of the motion in 100 -120
words for a debate competition to be organized in your school.“Does Homework Promote Learning” Put your views in favour of the motion in 100 -120
words for a debate competition to be organized in your school.“Does Homework Promote Learning” Put your views in favour of the motion in 100 -120
words for a debate competition to be organized in your school.“Does Homework Promote Learning” Put your views in favour of the motion in 100 -120
words for a debate competition to be organized in your school.
Answer:
Care must be taken while mixing concentrated nitric acid or sulphuric acid with water. The acid must always be added slowly to water with constant stirring. If water is added to a concentrated acid, the heat generated may cause the mixture to splash out and cause burns.