Chemistry in Ev...

Tranquilisers are also known as:

Match the List I with the List II.
           List-I                                         List-II
(A) Oxyhemoglobin                  (i) Analgesic
(B) Aspirin                                (ii) Oxygen carrier
(C) Hemoglobin                        (iii) Photosynthesis
(D) Chlorophyll                         (iv) Oil of wintergreen
                                                   (v) $${Fe}^{2+}$$ paramagnetic
The correct match is:

2$$-$$acetoxy benzoic acid is used as an:

What are the substances which mimic the chemical messengers?

(iii) Which class of drugs is used in sleeping pills?

While studying saponification reaction for the preparation of soap, the teacher suggested to a student to add a small quantity of common salt to the reaction mixture. The function of common salt in this reaction is to:

Which one of the following is an artificial sweetening agent?

Which one of the following is a food preservation?

While preparing soap, a small quantity of common salt is generally added to the reaction mixture of vegetable oil and sodium hydroxide. Which one of the following may be the purpose of adding common salt?

Milk of sulphur finds its applications in :