Recent questions tagged alkalies

Description : Define indicator

Last Answer : A substance shows different colour in acidic and basic solutions. e.g. phenolphthalein, methyl orange, litmus, turmeric, China rose and red cabbage.

Description : How we can measure PH of a solution?

Last Answer : The PH can be measure with universal indicator or PH paper. A universal indicator paper has a mixture of several dyes coated on it. It shows different colours for each PH values.

Description : What is PH Scale?

Last Answer : A scale used to measures the acidic or basic or alkaline solution is known as PH scale.

Description : Write the use of ammonium Hydroxide

Last Answer : Ammonium hydroxide used in: I. To remove grease from window panes II. To remove ink spots from clothes III. As a regent in laboratory IV. For the treatment of bee’s string

Description : Write the use of calcium Hydroxide

Last Answer : Calcium hydroxide used in: I. In the manufacture of bleaching powder II. As a dressing material for acid burns III. In making lime sulphur sprays to be used as fungicide IV. As a water softener V. For neutralization acidity present in soil

Description : Write the use of Sodium Hydroxide

Last Answer : Sodium hydroxide used in: I. Soap, textile and plastic industries. II. Petroleum refining. III. Making rayon IV. In the manufacture of paper pulp and medicines.

Description : Write the use of Acetic acid

Last Answer : Acetic acid used in: I. In the preparation of pickles (ACHAAR) II. In the manufacture of synthetic fiber.

Description : Write the use of Sulphuric acid H2SO4

Last Answer : Sulphuric acid 24 used in: I. As a dehydrating agent II. In the manufacture of fertilizers like ammonium phosphate, calcium ammonium phosphate, calcium super phosphate etc. III. In the manufacture of ... IV. In petroleum refining, textile, paper and leather industries. V. In lead storage batteries.

Description : Write the use of Nitric Acid HNO3

Last Answer : I. In the manufacture of fertilizers like ammonium nitrate II. For the manufacture of explosives III. In the manufacture of dyes, plastics and artificial silk. IV. For etching designs on metals like copper brass and bronze.

Description : Write the use of HCl

Last Answer : I. For cleaning rust from the surface of metals. II. For purification of Common salt (NaCl). III. To make aqua regia (3HCl + HNO3) used to dissolve noble metals such as gold. IV. For making glucose from starch. V. For the proper digestion of food in our stomach.

Description : How litmus solution is prepared?

Last Answer : Litmus solution is prepared by dissolving red cabbage juice or turmeric powder.

Description : Which alkali is commonly used to open a drain?

Last Answer : Potassium carbonate strong alkaline solution is used to open a drain.

Description : Is soda water acidic or basic?

Last Answer : Soda water is acidic