Advertisements
Advertisements
प्रश्न
Water is never added to acid in order to dilute it why?
उत्तर
If water is added to a concentrated acid, the heat generated causes the mixture to splash out and cause severe burns, as it is an exothermic process. Thus, water is never added to acid to dilute it.
संबंधित प्रश्न
Name the gas evolved when dilute HCl reacts with sodium hydrogencarbonate. How is it recognised?
Give the names and formulae of two strong acids and two weak acids.
Name one natural source of the following acids:
Oxalic acid
Which gas is usually liberated when an acid reacts with a metal?
What colour does phenolphthalein indicator turn when added to an alkali (such as sodium hydroxide)?
What happens during a wasp sting? What is its remedy?
Classify the following solutions as acids, bases or salts.
Ammonium hydroxide, barium chloride, sodium chloride, sodium hydroxide, H2SO4 and HNO3
Acids are corrosive in nature.
What are the uses of acids?
The acid which contains four hydrogen atoms ______.
