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
Changes in which new substances are formed are called ______ changes.
Fill in the blank:
The substances formed as a result of a chemical reaction are called _______
Write true or false :
Hydrogen sulphide has rotten egg smell .
Name: Gas with rotten egg smell.
Give a word equation for the following reaction.
Two gases which combine to give a solid.
Give balanced equation for the following conversion affected by heat alone on the substance:
Zinc carbonate to zinc oxide
Differentiate between the following:
Neutralization reaction and a precipitation reaction.
Silver metal can displace hydrogen gas from nitric acid.
______ are substances that speed up the process of a chemical change and it will not undergo any change during the course of the reaction.
How would you show that the settling of curd is a chemical change?
