Matric Part 2/10th Class Chemistry Chapter 15 Short Questions Test With Answer for Unit 7 Water Preparation

Preparations for exams is the most stressful part in student's life and it became tougher when a student has not any particular know-how that how to do preparations for exams and how to get good results. Students who as a beginners in their board exams are mostly very anxious from their tip to toe because they can't feel satisfied with how much they prepared for their board exams, and that's a common problem among all the students of BISE, this issue now finally has been resolved by the hardships of this website "ilmkidunya" because this website portal give all the BISE students in Pakistan an online preparation method from where a student is easily re-test himself/herself before starting of taking their boards exams.

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Online Short Questions For Chapter 7 "10th Class Chemistry English Medium Chapter 15 Preparation "

Try The Short Questions For 10th Class Chemistry English Medium Chapter 15 Preparation

  • Total Questions10

  • Available Sets7

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Chemistry - 10th Class Chemistry English Medium Chapter 15 Preparation

Question # 1

Differentiate between soft and hard water.

  • Ans 1: Soft water: Soft water is that which produces good lather with soap
  • Ans 2: Hard Water: Hard water is that which does not produce good lather with soap.
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Prepare Complete Set Wise Questions For Chapter 7 "10th Class Chemistry English Medium Chapter 15 Preparation "

10th Class Chemistry English Medium Chapter 15 Preparation - Set 1

Question # 1

Differentiate between soft and hard water.

  • Ans 1: Soft water: Soft water is that which produces good lather with soap
  • Ans 2: Hard Water: Hard water is that which does not produce good lather with soap.
Submit

10th Class Chemistry English Medium Chapter 15 Preparation - Set 2

Question # 1

Give use of kerosene oil

  • Ans 1: Used as domestic fuel , a special grade of it is used as jet fuel
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10th Class Chemistry English Medium Chapter 15 Preparation - Set 3

Question # 1

Define gangue

  • Ans 1: The earthly and other impurities associated with minerals are called gangue
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10th Class Chemistry English Medium Chapter 15 Preparation - Set 4

Question # 1

Define smelting .

  • Ans 1: It is further heating of roasted ore with sand flux and coke in the presence of excess of air
  • Ans 2: Explanation : It is highly exothermic process , therefore , a small amount of coke is required in the process . In the process , first ferrous sulphide oxidize to form ferrous oxide which reacts with sand to form iron silicate slag (FeSiO3) . It being lighter rise to the top and is removed from the upper hole
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10th Class Chemistry English Medium Chapter 15 Preparation - Set 5

Question # 1

ICI stand for what ?

  • Ans 1: Imperial chemical industries
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10th Class Chemistry English Medium Chapter 15 Preparation - Set 6

Question # 1

Give the advantages of Solvay's process

  • Ans 1: 1: It is a cheap process as raw materials are available at very low prices
    2: Carbon dioxide and ammonia are recovered and reused
    3: Process is pollution free, because the only waste is calcium chloride solution
    4: Sodium carbonate of very high purity is obtained
    5: Consumption of fuel is very less since no solution is to be evaporated
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10th Class Chemistry English Medium Chapter 15 Preparation - Set 7

Question # 1

Fraction of residual oil

  • Ans 1: Lubricants
    Asphalt
    Paraffin wax
    Petroleum coke
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Chemistry
15th Unit

10th class Chemistry Chapter 15 Preparation

Here you can prepare 10th chemistry chapter 15 online Short Questions Preparation Unit 15 (Water). Click the button for 100% free full practice test.

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