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प्रश्न
In which of the following substances will there be
Increase in mass
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उत्तर
Increase in mass: Iron and conc. sulphuric acid
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संबंधित प्रश्न
Give two example of Solvent other than water.
'Water is the universal solvent'. Comment.
How is air dissolved in water different from ordinary air?
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
Name the gas that:
Does not affect acidified K2Cr2O7 paper but turns lime water milky.
Select the correct answer of the following statement:
The medium of dissolution which allows the solute to dissolve in it.
Give a reason for the following.
Water is a universal solvent.
What insoluble substance? Give examples.
Take two pots with similar plants. Water one of the plants with tap water and the other with seawater. Record your findings and note the difference observed.
State whether the following statement is true or false.
Water can be separated from salt by evaporation.
