Advertisements
Advertisements
प्रश्न
In which of the following substances will there be
No change in mass when they are exposed to air?
Sodium chloride
Iron
Conc. sulphuric acid
Table salt
Sodium carbonate crystals
Advertisements
उत्तर
No change in mass: Sodium chloride
APPEARS IN
संबंधित प्रश्न
Give two examples of Drying agent.
What are the observations and conclusions when tap water is boiled and evaporated in watch glass?
Explain the terms:
Solvent
In which of the following substances will there be
Increase in mass
What is the advantage of a detergent over soap?
Select the correct answer of the following statement:
The medium of dissolution which allows the solute to dissolve in it.
Select the correct answer from the choice given in the options.
A deliquescent salt of a divalent metal _____.
Aquatic plants make use of dissolved ______ for photosynthesis.
Explain the importance of dissolved salts in water.
Paheli was feeling thirsty but there was only a pot of water at home which was muddy and unfit for drinking. How do you think Paheli would have made this water fit for drinking if the following materials were available to her.
| Alum | tub | muslin cloth | gas stove | thread | pan and lid |
