Across
- 5. Solutions in which more solute can be dissolved at a given temperature
- 7. substances which on exposure to atmosphere absorb moisture but do not change their original state.
- 8. phenomena in which hydrated crystal on exposure to atmosphere loose moisture to the atmosphere and changes into an amorphous state.
- 9. _______ can remove Bicarbonates of calcium and Magnesium from hard water.
- 10. is used to remove permanent hardness.
- 12. solutions which are heterogenous mixtures with particle size between 1nm-100nm which can pass through a filter paper and can be seen under an ultra microscope.
Down
- 1. presence of sulphates of Ca and Mg causes this kind of hardness.
- 2. FeCl3 crystals is an example of __________ substance, since it absorbs moisture from the atmosphere changes into a saturated solution.
- 3. solutions which are homogenous mixtures- clear and transparent in nature.
- 4. solutions which are heterogenous mixtures with particle size more than 100nm and cannot pass through a filter paper
- 6. ______ crystals contain definite number of water molecules.
- 11. _____water does not lather readily