Give the Names and Formulae of Two Substances. Hydrated Substance - Chemistry

Give the names and formulae of two substances.

Hydrated substance

One Word/Term Answer

Washing soda crystals: Na₂CO₃.10H₂O

Blue vitriol: CuSO₄.5 H₂O

shaalaa.com

Hydrated and Anhydrous Substances

Is there an error in this question or solution?

Chapter 3: Water - Exercise 3 (B) [Page 47]

Chapter 3 Water
Exercise 3 (B) | Q 7.1 | Page 47

Define water of crystallization. Give two examples with formulae.

The substance that can remove hydrogen and oxygen atoms in the ratio of 2:1(in the form of water) from the compound.

Complete the statement by filling the blank with the correct word from the option.

Hygroscopic substance absorb moisture from the atmosphere & _______their original state.

Match the substances in List I with the appropriate answer in List II.

List I	List II
1. Green vitriol	A: Permanent hardness in water
2. Paint	B: Hygroscopic
3. Magnesium chloride	C: Temporary hardness in water
4. Magnesium bicarbonate	D: Heptahydrate
5. Calcium oxide	E: Colloidal

Select the correct answer from the choice given in the options.

An anhydrate of a heptahydrate salt _____.

Give a reason for the following:

Heating a hydrated copper sulphate crystal is deemed a chemical change.

Differentiate between the following:

Deliquescent salt and hygroscopic salt

The molecular formula of green vitriol is MgSO₄.7H₂O.

Define Hydrated salt.

What happens when MgSO₄.7H₂O is heated? Write the appropriate equation?