Crystal hydrates

• Science
• Secondary Education

CRYSTAL HYDRATES 

GRADE-10

compare 

objectives 

Describe crystal hydrates

Naming of crystal hydrates

Application of hydrates 

relate the video with the fruits

Hydrate 

A hydrate is a compound that has a specific number of water molecules bound to its atoms .

NOTE- WATER IS ONLY TRAPPED IN THE STRUCTURE NOT CHEMICALLY BONDED

Naming of hydrates 

In the formula of a hydrate, the number of water molecules associated with each formula  unit is written following a dot.

CuSO4 • 5H2O - copper(II) sulfate pentahydrate

CoCl2 • 6H2O - cobalt(II) chloride hexahydrate

A(n) (1) ________________________ is a compound that has a specific number of water
molecules bound to its atoms

1. anhydrous
2. hydration
3. formula unit
4. hydrate

Molecules of water that become part of a hydrate are called
waters of (2) ____________________________.

1. anhydrous
2. hydration
3. water molecules
4. crystal structure

In the formula for a hydrate, the number of
(3) ___________________________ associated with each compound is written with a dot.

1. anhydrous
2. water molecules
3. formula unit
4. hydrate

The substance remaining after a hydrate has been heated and its waters of hydration
released is called (5) ____________________________.

1. formula unit
2. hydrate
3. hydration
4. anhydrate

6.CdSO4 Cadmium sulfate, anhydrous
7. CdSO4•H2O ___________________
8.Cadmium sulfate tetrahydrate ________

VISUAL LEARNING -INFER 

Why are opals often stored on damp cotton?

Application  

write any two new terms learnt