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Class 10 Chemistry Chemical Industries 14. Which one of the followings is not a fraction of petroleum?a. kerosene oilb. diesel oilc. alcohold. petrol


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14. Which one of the followings is not a fraction of petroleum?a. kerosene oilb. diesel oilc. alcohold. petrol

7. In Solvays process slaked lime is used to:a. prepare \mathrm{CO}_{2} b. prepare quick lime.c. recover ammoniad. form \mathrm{Na}_{2} \mathrm{CO}_{3}
7. In Solvays process slaked lime is used to:a. prepare  \mathrm{CO}_{2} b. prepare quick lime.c. recover ammoniad. form  \mathrm{Na}_{2} \mathrm{CO}_{3}

7. In Solvays process slaked lime is used to:a. prepare \mathrm{CO}_{2} b. prepare quick lime.c. recover ammoniad. form \mathrm{Na}_{2} \mathrm{CO}_{3}

5. What are the advantages of Solvays process?
5. What are the advantages of Solvays process?

5. What are the advantages of Solvays process?

How crude oil is refined? Explain two important fractions of petroleum along with their usage?
How crude oil is refined? Explain two important fractions of petroleum along with their usage?

How crude oil is refined? Explain two important fractions of petroleum along with their usage?

2. What is a detergent? Describe the cleaning action of detergent.
2. What is a detergent? Describe the cleaning action of detergent.

2. What is a detergent? Describe the cleaning action of detergent.

1. Concentration is a \mathrm{~ b . ~ s e p a r t a r e n t} b. separating techniqued. cooling technique
1. Concentration is a \mathrm{~ b . ~ s e p a r t a r e n t} b. separating techniqued. cooling technique

1. Concentration is a \mathrm{~ b . ~ s e p a r t a r e n t} b. separating techniqued. cooling technique

Write a detailed note on Ammonia Solvays process?
Write a detailed note on Ammonia Solvays process?

Write a detailed note on Ammonia Solvays process?

1. What role is played by pine oil in the froth flotation process?
1. What role is played by pine oil in the froth flotation process?

1. What role is played by pine oil in the froth flotation process?

2. Name the various metallurgical operations.
2. Name the various metallurgical operations.

2. Name the various metallurgical operations.

3. What do you know about glass? Describe in detail.
3. What do you know about glass? Describe in detail.

3. What do you know about glass? Describe in detail.

Write a note on fractional distillation of petroleum?
Write a note on fractional distillation of petroleum?

Write a note on fractional distillation of petroleum?

7. What happens when ammonical brine is carbonated?
7. What happens when ammonical brine is carbonated?

7. What happens when ammonical brine is carbonated?

14. Which one of the followings is not a fraction of petroleum?a. kerosene oilb. diesel oilc. alcohold. petrol
14. Which one of the followings is not a fraction of petroleum?a. kerosene oilb. diesel oilc. alcohold. petrol
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14. Which one of the followings is not a fraction of petroleum?a. kerosene oilb. diesel oilc. alcohold. petrol

12. Which one of the following is used as jet fuel:a. kerosene oilb. lubricating oilc. fuel oild. diesel oil
12. Which one of the following is used as jet fuel:a. kerosene oilb. lubricating oilc. fuel oild. diesel oil

12. Which one of the following is used as jet fuel:a. kerosene oilb. lubricating oilc. fuel oild. diesel oil

4. In the bessemerization process:a. roasted ore is heatedb. molten matte is removedc. molten matte is heatedd. molten matte is added
4. In the bessemerization process:a. roasted ore is heatedb. molten matte is removedc. molten matte is heatedd. molten matte is added

4. In the bessemerization process:a. roasted ore is heatedb. molten matte is removedc. molten matte is heatedd. molten matte is added

6. What is the principle of Solvays process?
6. What is the principle of Solvays process?

6. What is the principle of Solvays process?

12. What is refining of petroleum and how is it carried out?
12. What is refining of petroleum and how is it carried out?

12. What is refining of petroleum and how is it carried out?

6. Write short notes on:(i) Paints
6. Write short notes on:(i) Paints

6. Write short notes on:(i) Paints

10. Crude oil is heated in the furnace upto:a. 300^{\circ} \mathrm{C} b. 350^{\circ} \mathrm{C} c. 400^{\circ} \mathrm{C} d. 450^{\circ} \mathrm{C}
10. Crude oil is heated in the furnace upto:a.  300^{\circ} \mathrm{C} b.  350^{\circ} \mathrm{C} c.  400^{\circ} \mathrm{C} d.  450^{\circ} \mathrm{C}

10. Crude oil is heated in the furnace upto:a. 300^{\circ} \mathrm{C} b. 350^{\circ} \mathrm{C} c. 400^{\circ} \mathrm{C} d. 450^{\circ} \mathrm{C}

16. Which one of the following organic compounds is found in gasoline?a. \mathrm{C}_{2} \mathrm{H}_{4} b. \mathrm{C}_{3} \mathrm{H}_{8} c. \mathrm{C}_{8} \mathrm{H}_{18} d. \mathrm{C}_{12} \mathrm{H}_{26}
16. Which one of the following organic compounds is found in gasoline?a.  \mathrm{C}_{2} \mathrm{H}_{4} b.  \mathrm{C}_{3} \mathrm{H}_{8} c.  \mathrm{C}_{8} \mathrm{H}_{18} d.  \mathrm{C}_{12} \mathrm{H}_{26}
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16. Which one of the following organic compounds is found in gasoline?a. \mathrm{C}_{2} \mathrm{H}_{4} b. \mathrm{C}_{3} \mathrm{H}_{8} c. \mathrm{C}_{8} \mathrm{H}_{18} d. \mathrm{C}_{12} \mathrm{H}_{26}

5. Concentration of the copper ore is carried out by:a. calcinationsb. roastingc. forth flotationd. distillation
5. Concentration of the copper ore is carried out by:a. calcinationsb. roastingc. forth flotationd. distillation
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5. Concentration of the copper ore is carried out by:a. calcinationsb. roastingc. forth flotationd. distillation

3. How is roasting carried out?
3. How is roasting carried out?
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3. How is roasting carried out?

1. What is a fertilizer? Give names and uses of some of the fertilizers.
1. What is a fertilizer? Give names and uses of some of the fertilizers.
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1. What is a fertilizer? Give names and uses of some of the fertilizers.

8. When \mathrm{NaHCO}_{3} is heated it forms:a. \mathrm{CO}_{2} b. \mathrm{Ca}(\mathrm{OH})_{2} c. \mathrm{CaCO}_{3} d. \mathrm{CaO}
8. When  \mathrm{NaHCO}_{3}  is heated it forms:a.  \mathrm{CO}_{2} b.  \mathrm{Ca}(\mathrm{OH})_{2} c.  \mathrm{CaCO}_{3} d.  \mathrm{CaO}
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8. When \mathrm{NaHCO}_{3} is heated it forms:a. \mathrm{CO}_{2} b. \mathrm{Ca}(\mathrm{OH})_{2} c. \mathrm{CaCO}_{3} d. \mathrm{CaO}

14. Describe the difference between diesel oil and fuel oil?
14. Describe the difference between diesel oil and fuel oil?
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14. Describe the difference between diesel oil and fuel oil?

How urea is manufactured? Explain showing the flow sheet diagram?
How urea is manufactured? Explain showing the flow sheet diagram?
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How urea is manufactured? Explain showing the flow sheet diagram?

4. Explain process of electrorefining.
4. Explain process of electrorefining.
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4. Explain process of electrorefining.

16. What is the difference between crude oil and residual oil?
16. What is the difference between crude oil and residual oil?
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16. What is the difference between crude oil and residual oil?

11. Describe the formation of petroleum.
11. Describe the formation of petroleum.
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11. Describe the formation of petroleum.

6. When \mathrm{CO}_{2} is passed through the ammonical brine the only salt that precipitates is:a. \mathrm{NaHCO}_{3} - b. \mathrm{NH}_{4} \mathrm{HCO}_{3} c. \mathrm{Na}_{2} \mathrm{CO}_{3} .d. \left(\mathrm{NH}_{4}\right)_{2} \mathrm{CO}_{3}
6. When  \mathrm{CO}_{2}  is passed through the ammonical brine the only salt that precipitates is:a.  \mathrm{NaHCO}_{3} - b.  \mathrm{NH}_{4} \mathrm{HCO}_{3} c.  \mathrm{Na}_{2} \mathrm{CO}_{3} .d.  \left(\mathrm{NH}_{4}\right)_{2} \mathrm{CO}_{3}
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6. When \mathrm{CO}_{2} is passed through the ammonical brine the only salt that precipitates is:a. \mathrm{NaHCO}_{3} - b. \mathrm{NH}_{4} \mathrm{HCO}_{3} c. \mathrm{Na}_{2} \mathrm{CO}_{3} .d. \left(\mathrm{NH}_{4}\right)_{2} \mathrm{CO}_{3}

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