1. Silviculture is the branch of botany what do we study in that?

2. Who was the first Foreign Minister of free India?

3. Chlorine acts as a bleaching agent only in the presence of which thing?

4. Which is the longest Railway Tunnel?

5. Where was the seat of the first Republic of the world in 6th century BC?

6. What is the principal source of revenue to the State Government in India?

7. Which UN body deals with population problem?

8. Jointed appendages are characteristic of which phylum?

9. Which Australian state is an island?

10. By which ruler was Pataliputra chosen for the first time as a capital?

11. Of which country Indian Constitution closely follows the constitutional system?

12. During adiabatic compression of a gas, what is the its temperature?

13. Where and when was the first official Non-Aligned Movement Summit held?

14. How much is the portion of the earth’s surface covered with water roughly?

15. During the time of Harshavardhana, where was a great Buddhist assembly held?

16. In which policy India opted for ‘Mixed Economy’?

17. Plant and animal living in a particular area, what is it called?

18. What is the life of Rajya Sabha?

19. Which oceans does not have a north south submarine ridge?

20. To whom is the phrase 'The Light of Asia' applied?

1 Answer

Answer :

Answer : 1. Development of forest 2. Jawaharlal Nehru 3. Moisture 4. Tanna (Japan) 5. Vaishali 6. Sales Tax 7. UNFPA 8. Arthropoda 9. Tasmania 10. Udayin 11. UK 12. Rises 13. Belgrade, 1961 14. Two-third 15. Prayag 16. Industrial Policy of 1948 17. Community 18. Permanency19. Pacific ocean 20. Buddha

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Description : Bleaching of a fabric cloth is done using A and excess of chlorine is removed using B.A and B are :

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Description : The percentage of available chlorine in a commercial sampleof bleaching powder is

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Last Answer : ANSWER: A

Description : What is the chemical name of bleaching powder? A. Calcium Hypochlorite B. Calcium Chlorate C. Calcium Chloride D. Chlorine

Last Answer : ANSWER: A

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Description : Bleaching powder is prepared by passing – (1) Chlorine over slaked lime (2) Oxygen over slaked lime (3) Carbon dioxide over slaked lime (4) Chlorine over quick lirne

Last Answer : (1) Chlorine over slaked lime Explanation: Calcium hypochlorite (bleaching powder) is manufactured by the calcium process: 2Cl2 + 2Ca(OH)2 (slaked lime) Ca(OCl)2 + CaCl2 + 2H2O. Bleaching powder is actually a mixture of calcium hypochlorite and the basic chloride with some slaked lime.

Description : Bleaching action of chlorine is by - (1) Decomposition (2) hydrolysis (3) reduction (4) oxidation

Last Answer : (4) oxidation Explanation: Chlorine bleaches by the process of oxidation. It needs moisture for its bleaching action. Chlorine reacts with water to form hydrochloric and hypochlorous acids.

Description : Bleaching powder is made from - (1) Sulphur dioxide and gypsum (2) Chlorine and Charcoal (3) Soda ash and lime (4) Lime and Chlorine

Last Answer : (4) Lime and Chlorine Explanation: The gas which is used in the preparation of bleaching powder is chlorine. It is a mixture of lime and calcium chloride.

Description : Bleaching action of chlorine is by - (1) decomposition (2) hydrolysis (3) reduction (4) oxidation

Last Answer : (4) oxidation Explanation: Chlorine bleaches by the process of oxidation. It needs moisture for its bleaching action. Chlorine reacts with water to form hydrochloric and hypochlorous acids.

Description : Substances used for removing excess of chlorine from textiles after their bleaching are in general called?

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Last Answer : C. Chlorine (Answer)

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Last Answer : (C) Chlorine or chlorine dioxide

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Last Answer : (D) Alum

Description : The percentage of chlorine in fresh bleaching powder is roughly (A) 50 to 60 (B) 30 to 35 (C) 40 to 50 (D) 20 to 25

Last Answer : (B) 30 to 35

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Last Answer : (B) Alum

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Last Answer : Chlorine over slaked lime