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Which of the following statements are true about washing soda? 1. Its chemical name is sodium hydrogen carbonate and its aqueous solution is basic in nature. 2. Its chemical name is sodium carbonate and the pH of its aqueous solution is more than 7. 3. It is used for raising of cakes while baking. 4. It is used for the removal of permanent hardness of water. Select the correct answer using the code given below:

Which of the following statements are true about washing soda? 1. Its chemical name is sodium hydrogen carbonate and its aqueous solution is basic in nature. 2. Its chemical name is sodium carbonate and the pH of its aqueous solution is more than 7. 3. It is used for raising of cakes while baking. 4. It is used for the removal of permanent hardness of water. Select the correct answer using the code given below: Correct Answer 2 and 4 only

The correct answer is Option 2.

Key Points

  • Washing soda is obtained by heating baking soda and then recrystallizing the sodium carbonate.
  • Chemical name - Sodium carbonate (Na2CO3).

Additional Information

  • Other ways to remove permanent hardness:
    • Chemical Process of Boiling Hard Water.
    • Adding Slaked Lime (Clark's Process).
    • Adding Washing Soda.
    • Calgon Process.
    • Ion Exchange Process.

Related Questions

Which of the following two statements is correct?   a. The soda commonly used in the kitchen for making tasty crispy pokodas is baking soda. The baking soda is a sodium carbonate.  b. Washing soda is usually used as a cleaning agent for domestic purposes and in glass, soap, paper industries. The washing soda is sodium hydrogen carbonate.
Which of the following statement(s) is/are correct?
1. If sodium carbonate and washing soda is mixed in water the hardness of water can be removed.
2. The reaction of the chemicals produce sodium sulphate, sodium carbonate and insoluble calcium carbonate.
3. Magnesium sulphate chloride and magnesium carbonate is also produced.
Select the correct answer
Study the given pie chart and answer the question that follows. The given chart represents the percentage-wise distribution of the total number of vanilla cakes and chocolate cakes sold on each day of the week. The total number of cakes sold in a week = 10500. If the ratio of vanilla cakes sold to chocolate cakes sold on Wednesday is 13 ∶ 8, then how many vanilla cakes are sold on that day?
Consider the following statements.
1. Anhydrous Sodium bicarbonate is commonly known as baking sodium (baking soda).
2. Baking soda is used as a fire extinguisher.
3. Bleaching powders are produced in Hasnclaver plant.
Which of these statements is right.
Which of the following statement is correct? I. The chemical name of washing soda is sodium carbonate. II. The chemical name of Baking soda is calcium hypochlorite.
A man buys 3 type-I cakes and 6 type-II cakes for Rs. 900. He sells type-I cakes at a profit of 15% and type-II cakes at a loss of 10%. If his overall profit isRs.30, the cost price (in Rs.) of a type-I and of a type-II cakes is
Student A rub solid baking soda on dry litmus paper, B rub metal oxide on dry litmus paper, C dip litmus paper in vinegar, D dip litmus paper in aqueous solution of baking soda. The observations were made by student A, B, C, and D should be- Student Effect on dry red litmus paper Effect on dry blue litmus paper A Color Changed to blue No change B No change Color changed to red C No change Color changed to red D Color Changed to blue       Color changed to red The correct observation was made by the student
Which of the following are the applications of common salt? (i) It is used as preservative. (ii) It is used for manufacture of Na metal and Cl2(g) by electrolysis in molten state. (iii) It is used for manufacture of caustic soda. (iv) It is used for manufacturing baking soda and washing soda by Solvay process.
In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even ifthey seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statements:
(I) Some bags are hot.
(II) All hot things are cakes. Conclusion:
(I) All cakes are bags.
(II) All bags are cakes.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: All cakes are rocks. All rocks are dams. Conclusion: I: Some dams are cakes. II: All rocks are cakes.