Advertisements
Advertisements
प्रश्न
Give balanced chemical equation for the reaction of water with Sodium .
Advertisements
उत्तर
\[\ce{sodium + \underset{\text{(cold)}}{Water}->[heat]sodium hydroide +Hydrogen}\]
\[\ce{2Na +2H2O->2NaOH + \underset{\text{(cold)}}{H2(g)}}\]
APPEARS IN
संबंधित प्रश्न
Give reason of Icebergs float on ocean water.
Give balanced chemical equations to show the reaction between Magnesium and water.
What is the composition of water? In what volume its elements combine?
What do you understand by permanent hardness?
Name the solute, solvent & solution in the statement – ‘sodium chloride dissolves in water to give sodium chloride solution’. Define each of the terms in italics.
Fill in the blank:
The type of water softened by addition of washing soda is ______.
Explain the following observation:
Washing-soda become coated with a white powder when left exposed to the atmosphere.
Explain any two environmental impacts of an ‘oil spill’.
Water levels in rivers increase greatly during ______.
Match the following
| 1. | Flood | Lake |
| 2. | Surface water | Evaporation |
| 3. | Sunlight | Water vapour |
| 4. | Cloud | Pole |
| 5. | Frozen water | Increased rainfall |
