Reaction between Baking Soda and Vinegar

Q.

Explain in detail what happens when magnesium oxide is dissolved in water. Support your answer with the help of a reaction.[3 MARKS]

Q. What is sodium carbonate and its chemical formula

Q. What is the chemical formula for baking soda

Q. Question 3(b)
Fill in the blanks in the following statements:
The chemical name of baking soda is ___.

Q.

What is the formula of Eating soda?

Q.

Question 20

Give an example of a chemical reaction for each of the following situations:
(a) A change in colour is observed.
(b) A gas is evolved
(c) Sound is produced.

Q.

_____ is used to make bread soft and spongy.

Q.

Question 18

Explain the following:

(a) Lime water turns milky on passing carbon dioxide gas into it.
(b) Bubbles are produced when acetic acid is added to a solution of sodium hydrogen carbonate.

Q.

Question 17

Write word equations for two chemical reactions with the help of materials given in the box.

Q.

Which of the following is the chemical formula of Baking soda?

1. NaHCO₃

2. NaHCO

3. NHCO₃

4. NaCl

Q. Write word equations for two chemical reactions with the help of materials given in the box.​

Air, copper sulphate, iron, vinegar, iron oxide, carbon dioxide, iron sulphate, copper, lime water, water​

Q.

What is the chemical name of baking soda? Explain how the contents of the compound help in raising the dough. [3 MARKS]

Q.

Formula chemical name of baking soda soda ash.

Q. what is baking soda and soda ash and their formula

Q. What is the chemical name for lime water

Q. (a) What is the chemical name of bleaching powder?
(b) What is the chemical formula of bleaching powder?
(c) What are the materials used for the preparation of bleaching powder?
(d) State one use of bleaching powder (other than bleaching).

Q.

What is the common name for sodium bicarbonate?

1. Caustic Soda

2. Baking Soda

3. Phenol

4. Blue Vitriol

Q.

Write the chemical name and formula of baking soda. Mention any one of its uses.

Q. Question 3(a)
Fill in the blanks in the following statements:
When carbon dioxide is passed through lime water, it turns milky due to the formation of ___.

Q. comment on the following: a substance on treatment with chlorine gas yields bleaching powder. name the substance.

Q.

Suppose you have to determine the percentage of carbon dioxide in a sample of a gas available in a container. Which of the following is the best absorbing material for the carbon dioxide?

1. Heated copper oxide

2. Cold, solid calcium chloride

3. Heated charcoal

4. Cold, solid calcium hydroxide

Q. The formula of baking soda is:
(a) K₂CO₃
(b) KHCO₃
(c) NaHCO₃
(d) Na₂CO₃

Q. Name the raw material used for the production of caustic soda.