Acids Bases and...

The acid having highest hydrogen ion concentration is one with

The pH of the gastric juices released during digestion is:

If a few drops of a concentrated acid accidentally spills over the hand of a student, what should be done?

Sodium hydrogencarbonate when added to acetic acid evolves a gas. Which of the following statements is true about the gas evolved?

(i) It turns lime water milky.

(ii) It extinguishes a burning splinter.

(iii) It dissolves in a solution of sodium hydroxide.

(iv) It has a pungent odour.

Which solution will change blue litmus to red?

Which is a soluble base in water?

In general, salts

Which of the following properties is closely related to acids?

A base can be prepared by the reaction between

Which of the following is(are) true when HCl (g) is passed through water?

(i) It does not ionise in the solution as it is a covalent compound.

(ii) It ionises in the solution.

(iii) It gives both hydrogen and hydroxyl ion in the solution.

(iv) It forms hydronium ion in the solution due to the combination of hydrogen ion with water molecule.