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Which of the following is the use of sodium carbonate, which is an alkali?
1. Producing sodium compounds such as borax.
2. To remove permanent hardness of water.
3. Use in glass, soap and paper industries.

Which of the following is the use of sodium carbonate, which is an alkali?
1. Producing sodium compounds such as borax.
2. To remove permanent hardness of water.
3. Use in glass, soap and paper industries. Correct Answer 1, 2 and 3

Related Questions

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
Consider the following : 1. Used in glass, soap and paper industries. 2. Manufacturing of sodium compounds such as Borax.  3. Cleaning agent for domestic purposes. 4. Remove the permanent hardness of the water. The above statements describe which of the following chemical compound?
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.
Read the given statements carefully and answer the questions. Statement: Sunil has only Rs 100. He has to buy a soap, an oil bottle, a kilo of potatoes and a chocolate. Which of the following combinations would Sunil buy? A. An oil bottle of Rs 44, chocolate of Rs 23, soap of Rs 2 and half kg of potatoes of Rs 16. B. An oil bottle of Rs 40, chocolate of Rs 20, soap of Rs 17 and a kg of potatoes for Rs 34. C. Half a kilo potato of Rs 12, soap of Rs 23, chocolate of Rs 5 and an oil bottle of Rs 39. D. Chocolate of Rs 50, soap of Rs 7, an oil bottle of Rs 30 and a kg  of potato of Rs 29 per kg.
In a year-end examination, 6 papers-Maths, Physics, Geography, Economics, Chemistry, History- are scheduled on 6 consecutive days of a week (Monday -Saturday). 1. Maths paper is after the Chemistry paper, with a 1-day gap between them. 2. Physics paper is on Monday. 3. Geography paper is not on the last day. 4. History paper, which is scheduled on the previous day of the Maths paper, has a two-day gap with the Physics paper. In the above description, the History paper was cancelled due to incompletion of syllabus and the exam was scheduled for five days (Monday - Friday), with the order of the papers reversed. Which paper was scheduled on Thursday? 
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:
In a year-end examination, 6 papers-Maths, Physics, Geography, Economics, Chemistry, History- are scheduled on 6 consecutive days of a week (Monday -Saturday). 1. Maths paper is after the Chemistry paper, with a 1-day gap between them. 2. Physics paper is on Monday. 3. Geography paper is not on the last day. 4. History paper, which is scheduled on the previous day of the Maths paper, has a two-day gap with the Physics paper. Which paper is scheduled on Saturday?
Match the following classification of glasses with their specific uses: a. Soda lime glass 1. Used in the manufacturing of glass articles which have to withstand high temperatures. b. Potash lime glass 2. Used in the manufacturing of artificial gems, electric bulbs, lenses, Prisms, etc. c. Potash lead glass 3. Used in the manufacturing of glass tubes, laboratory apparatus, plate glass, window panels, etc. d. Common glass 4. Used in the manufacturing of medicine bottles
Read the instructions below and answer the questions that follow: P * Q means “some P are Q”. P – Q means “all P are Q”. P + Q means “no P is Q”. Now, statements below are followed by two conclusions. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts. Statements: Ant * hall Hall * soap Soap + dog Dog * doll Conclusions: I. Ant * soap II. Soap + doll
In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: All paper is newspaper. Some paper is tissue Only few tissues are  paper  boats. Conclusions: I. All paper boats can be tissue. II. No paper is paper boat. III. Some paper is newspaper.