Advertisements
Advertisements
प्रश्न
Give one word or a phrase:
The property by which certain hydrated salts, when left exposed to atmosphere, lose their water of crystallization and crumble into powder.
Advertisements
उत्तर
Efflorescence
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false:
Copper sulphate crystals are always wet due to the presence of water of crystallisation in them.
Name the major salt present in sea-water.
Complete and balance the following chemical equation:
\[\ce{NaCl_{(aq)} + H2O_{(l)} ->[Electricity]}\]
P and Q are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn:
- blue litmus red?
- red litmus blue?
Give one example of a salt which gives an aqueous solution having:
pH less than 7
Write the name and formula of one salt which contains:
Five molecules of water of crystallisation.
Outline the steps required to convert hydrogen chloride to anhydrous iron (III) chloride. Write the equations for the reactions.
Name two carbonates which do not produce carbon dioxide on heating.
Salt which is formed by the partial replacement of hydrogen ions of an acid by a metal is called ______.
An aqueous solution of a salt turns blue litmus to red. The salt could be the one obtained by the reaction of ______.
