Advertisements
Advertisements
प्रश्न
Write your observation and a balanced equation in the case of the following substances being heated.
Ammonium chloride
Advertisements
उत्तर
When ammonium chloride is heated White crystalline solid, on strong heating, sublimates to form a basic gas (NH3) and an acidic gas (HCl)
\[\ce{NH4Cl ⇌[Heat][Cool] NH3↑ + HCl↑}\]
APPEARS IN
संबंधित प्रश्न
Complete and balance the following chemical equations
Na + H2 O →
Match the pairs.
| a. | Photosynthesis | i. | Tendency to lose electrons |
| b. | Water | ii. | Reactant in combustion process |
| c. | Sodium chloride | iii. | Chemical change |
| d. | Dissolution of salt in water | iv. | Covalent bond |
| e. | Carbon | v. | Ionic bond |
| f. | Fluorine | vi. | Physical change |
| g. | Magnesium | vii. | Tendency to form anion |
What is a chemical reaction?
Write the chemical reaction where the following changes are observed.
Physical state is changed
Multiple choice:
Which of the following is not a characteristic of a chemical change?
Give a balanced equation for the conversion of an ammonium salt to a basic gas.
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Lead nitrate.
The changes in which new substance with new chemical properties are formed are ______.
Write word equations for two chemical reactions with the help of materials given in the box.
| Air, copper sulphate, iron, vinegar, iron oxide, carbon dioxide, iron sulphate, copper, lime water, water |
Write the characteristics of chemical change.
