Advertisements
Advertisements
प्रश्न
Name: Two nitrates that do not produce nitrogen dioxide on heating.
Advertisements
उत्तर
Sodium nitrate and potassium nitrate.
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Iron pipes coated with zinc do not get rusted easily.
Fill in the blank:
The substances which undergo chemical change are called _______
Fill in the blank:
The substances formed as a result of a chemical reaction are called _______
What do you understand by 'chemical reaction'?
Name: A greenish-yellow gas.
Give a chemical test to distinguish between the following gases.
H2 and CO2
Write your observation and a balanced equation in the case of the following substances being heated.
Copper nitrate.
Give examples of exothermic reactions i.e. heat evolved in each of the following:
(a) reaction between a solid and a liquid
(b) reaction between two gases
Give two examples of exothermic reactions seen in everyday life.
_____ is the basic material to manufacture urea.
Vanaspati is obtained from vegetable oils by the addition of ______ to the oils.
