Advertisements
Advertisements
प्रश्न
What do you understand by precipitation reaction? Explain with examples.
Advertisements
उत्तर
Precipitation reactions occur when cations and anions in aqueous solution combine to form an insoluble ionic solid called a precipitate. A precipitate is a solid that forms out of solution.
APPEARS IN
संबंधित प्रश्न
TRUE \ FALSE
A precipitation reaction takes place only in a solution.
TRUE \ FALSE
Electrolytic refining is a method in which a thin coating of a metal is done over another metal.
State what you would observe when the following substance is heated in a glass test tube red lead.
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
Oxygen is a ______ in respiration.
What do you observe when Cl2 is passed through potassium iodide (KI) solution.
Give a word equation for the following reaction.
A salt which reacts with ammonium hydroxide to give a reddish brown precipitate.
Higher order Thinking question
A very hot glass on putting in cold water cracks. What does this change indicate?
State whether the following statement is true or false:
When a candle burns, both physical and chemical changes take place.
Vanaspati is obtained from vegetable oils by the addition of ______ to the oils.
Write the characteristics of chemical change.
