Advertisements
Advertisements
प्रश्न
Explain the following observation:
Washing-soda become coated with a white powder when left exposed to the atmosphere.
Advertisements
उत्तर
Washing Soda: is an efflorescent substance and lose its water of crystallization partly when exposed to atmosphere and change into white powder (amorphous state).
APPEARS IN
संबंधित प्रश्न
State the importance of water cycle in nature.
Name the gas produced when steam is passed over hot coke.
Give the molecular formula of water ?
Give reason of Icebergs float on ocean water.
Give a reason why alcohol and water form a miscible mixture while oil & water do not.
Complete the statement by filling the blank with the correct word from the option.
The ratio of hydrogen & oxygen in water is ____.
What happens when a spoonful of sugar, sawdust, and soil are added to a glass of water?
Water is colourless, odourless and _______.
Rivers from land, add minerals to seawater. Discuss how?
Fill in the blanks selecting words from the following list
snow, rain, clouds, vapour, evaporation, transpiration.
Water, as ______ goes into atmosphere by the processes of ______ and ______ and forms ______, which on condensation fall in the form of ______ and ______.
