Advertisements
Advertisements
Question
You are supplied with five solutions: A, B, C, D and E with pH values as follows: A = 1.8, B = 7, C = 8.5, D = 13, and E = 5
Classify these solutions as neutral, slightly or strongly acidic and slightly or strongly alkaline.
Which solution would be most likely to liberate hydrogen with powdered zinc metal. Give a word equation for each reaction.
Solution
A = Strongly acidic
B = neutral
C = Slightly alkaline
D = Strongly alkaline
E = Slightly acidic
Solution (A) would liberate hydrogen with powdered zinc metal.
\[\ce{Zinc + Acid -> Salt of zinc + Hydrogen}\]
RELATED QUESTIONS
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?
What is produced if an acid is added to a base?
What is the common name of water soluble bases?
The salt which will give an acidic solution on dissolving in water is:
(a) KCl
(b) NH4Cl
(c) Na2Co3
(d) CH3COONa
Name an acid used to flavor and preserve food.
Write balanced equation to satisfy the following statement:
\[\ce{Acid + Carbonate or bicarbonate -> Salt + water + Carbon dioxide}\]
State one observation for each of the following :
A small piece of zinc is added to dilute hydrochloric acid
Paheli is suffering from indigestion due to acidity. Is it advisable to give her orange juice in this situation and why?
Acids are ______ in taste.
Exlain the following:
\[\ce{H3PO3}\] is not tribasic acid.
