Q. 35.0( 1 Vote )
Which has a higher pH value conc. HCl or dil.HCl?
Concentrated HCl means it contains more HCl whereas dilute HCl contains less acid and more water. Hence, concentrated HCl is more acidic than dilute HCl. The more acidic, the less is the pH and vice versa. Hence, dilute HCl has higher pH than concentrated HCl.
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(a) What will be the action of solution A on litmus?
(b) What will be action of solution B on litmus?
(c) Name any two substances which can give solutions like A.
(d) Name any two substances which can give solutions like B.
(e) What sort of reaction takes place when solution A reacts with solution B?Lakhmir Singh & Manjit Kaur - Chemistry
Metal polish : Dark blue
Washing-up liquid : Yellow
Milk of magnesia : Light blue
Oven cleaner : Purple
Car battery acid : Pink
Arrange the solutions in order of their increasing pH values (starting with the one with the lowest pH).Lakhmir Singh & Manjit Kaur - Chemistry