Advertisements
Advertisements
प्रश्न
Complete the table given below.
| Heat on iodine crystals | Colour of vapours evolved |
Advertisements
उत्तर
| Heat on iodine crystals | Colour of vapours evolved | Violet (I2 Iodine vapours) |
APPEARS IN
संबंधित प्रश्न
The chemical name of baking soda is ______.
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Compounds, which in their molten state allow an electric current to pass through them are called
- electrolytes
- non-electrolytes
- non-conductors
- none of these
State four conditions necessary for chemical reactions to take place.
Explain the term reactant and product giving examples.
What do you understand by precipitation reaction? Explain with examples.
Complete and balance the following reaction:
\[\ce{NH3 + O2 ->[\Delta]}\]
Distinguish by dilute sulphuric acid.
Sodium sulphide and sodium sulphite?
Give a suitable example with an equation to show the representation of a chemical reaction.
Iron and rust are the same substances.
Give an example where heat, light, and sound are produced during a chemical change.
