Advertisements
Advertisements
Question
Three solutions P, Q and R have pH value of 3.5, 5.2 and 12.2 respectively. Which one of these is a:
1) Weak acid?
2) Strong alkali?
Advertisements
Solution
1) Q having pH 5.2 is the weak acid
2) R having pH 12.2 is strong alkali.
APPEARS IN
RELATED QUESTIONS
A solution turns red litmus blue. Its pH is likely to be ______.
Dorji has a few bottles of soft drink in his restaurant. But, unfortunately, these are not labelled. He has to serve the drinks on the demand of customers. One customer wants acidic drink, another wants basic and third one wants neutral drink. How will Dorji decide which drink is to be served to whom?
The indicator which produces a pink colour in an alkaline solution is ______.
What happens when zinc granules are heated with sodium hydroxide solution? Write the equation of the reaction which takes place.
Explian the following:
Dil. HCl acid is stronger than highly concentrated acetic acid.
Write balanced equation to satisfy the following statement:
\[\ce{Acid + sulphide -> Salt + Hydrogen sulphide}\]
What do you understand by the strength of an acid? On what factors does the strength of an acid depend?
How is an acid prepared from a non metal and a base from a metal? Give equation.
Give the reaction of acid with chlorides. State the conditions under which they react.
Complete the following equation.
HCl + ______ → NaCl + H2O
