Baking Soda

Q.

Write the chemical formula of quick lime and slaked lime.

Q.

How would you distinguish between baking powder and washing soda by heating?

Q.

Explain the following with their properties and uses:

1. Sodium chloride

2. Sodium bicarbonate

3. Bleaching powder

Q. Which of the following salts is used in the preparation of breads and cakes?

1. POP
2. Washing soda
3. Baking soda
4. Gypsum

Q.

Which of the following are the reactants used for the production of baking soda?

1. $NaCl$ +$H_2{SO}_4$

2. $NaCl+H_{2}O+{CO}_2+{NH}_3$

3. ${Na}_2{CO}_3+10H_{2}O$

4. $NaCl+H_{2}O$

Q. Sodium carbonate crystal lose water molecules. This property is called

1. Hygroscopy
2. Efflorescence
3. Deliquescence
4. None of these

Q.

Which of the given compounds has the formula ${\mathrm{NaHCO}}_3$?

1. Vinegar

2. Caustic Soda

3. Washing soda

4. Baking soda

Q. Identify the salt that does not contain water of crystallisation.

1. Gypsum
2. Baking soda
3. POP
4. Washing soda

Q.

Question 4

Write down the uses of Baking Soda.

Q.

What is meant by “water of crystallisation” in a substance ? Explain with an example

Q.

If a small amount of baking soda is added to water, then the water becomes __________.

1. Acidic

2. Basic

3. Neutral

4. Amphoteric

Q.

What is meant by “water of crystallisation” in a substance ? Explain with an example

Q. Sodium carbonate crystal lose water molecules. This property is called

1. Hygroscopy
2. Efflorescence
3. Deliquescence
4. None of these

Q. Name the compound whose one formula unit is associated with $10$ water molecules. How is it prepared? Give equations of related reactions. Give two uses of the compound.