List of top Chemistry Questions on Acids, Bases And Salts asked in Jharkhand Polytechnic

At what temperature is gypsum heated to form Plaster of Paris?

When chlorine gas is passed in lime water, it forms chemical compound 'M' (main constituent of bleaching powder) and 'N' (used for bleaching in textile industry). Identify the correct option.

The chemical formula of washing soda is :

How many water molecules does hydrated calcium sulphate contain?

Why a mild base like magnesium hydroxide is used during indigestion?

Brine is an :

Match Column-I (Different substances) with Column-II (pH values) and choose the correct option from the codes given below :

Tooth-enamel is made up of :

Which of the following is known as 'Slaked Lime'?

Which one of the following does not have water of crystallization?

You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. Which of them will turn red litmus to blue?

All of the following acids dissociate completely in water, except :

Acetic acid was added to a solid X kept in a test tube. A colourless, odourless gas Y was evolved. The gas was passed through lime water, which turned milky. It was concluded that:

Sodium salt of acid present in vinegar is an example of :

What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(i) The temperature of the solution increases.
(ii) The temperature of the solution decreases.
(iii) The temperature of the solution remains the same.
(iv) Salt formation takes place.

Rain is called acid rain when its :