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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.
Chemistry is one of the most interesting but highly logics base subject because of its chemical equations, chemical reactions and also the numerical side which if a student is well practiced in solving these things he/she must get the highest grade in his/her board exams because these mathematical base questions give you full marks present in any subject.
Understanding the need of student the ilmkidunya organize the online preparations setup for all the matric students according to the syllabus issued from the board of examination. This website provides a platform where the students can easily prepare themselves for all subjects of the matric class before their exams by explaining each subject in a simple and easy way. This site dividing the chapters in the form of units and each unit is given in the form of the short questions and their appropriate answers, and a timer is also given there because all these setups are produced for the students to prepare themselves according to the board exams pattern. By solving each unit of every subject, a student is easily capable to solve the whole question paper in exams because this website gives a highly emphasize on every topic and provided all the basic and essential requirements according to the demand and needs of
the student and the educational board in Pakistan.
This online preparation method is fully free to practice test session for all the students of matric class and any student can use it after login itself in it. It is too simple to do and too useful for exams preparations.10th Class Chemistry Preparation
10th Class English Medium Subjects
10th Class Urdu Medium Subjects
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
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Total Questions10
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Available Sets7
Chemistry - 10th Class Chemistry English Medium Chapter 15 Preparation
Question # 1
Give use of kerosene oil
- Ans 1: Used as domestic fuel , a special grade of it is used as jet fuel
10th Class Chemistry English Medium Chapter 15 Preparation - Set 1
Question # 1
Give use of kerosene oil
- Ans 1: Used as domestic fuel , a special grade of it is used as jet fuel
10th Class Chemistry English Medium Chapter 15 Preparation - Set 2
Question # 1
What is residual oil and given the names of its fractions ?
- Ans 1: The residual oil , which does not vapourize is collected and heat above 400° C for further fractional distillation . The four fractions of residual oil are lubricants ,paraffin wax , asphalt and petroleum coke
10th Class Chemistry English Medium Chapter 15 Preparation - Set 3
Question # 1
What are the effects of temporary hardness in water?
- Ans 1: 1. Hard water consumes large amount of soap in washing purposes. 2. Drinking hard water causes stomach disorders. 3.Hard water is unfit for use in steam engines. boilers and turbines because insoluble calcium and magnesium salts deposit inside.They are called scales. they are bad conductors of heat and hence more fuel is used insoluble calcium and magnesium sulphates not only reduce the efficiency of the engine but also cause the boiler toburst.
10th Class Chemistry English Medium Chapter 15 Preparation - Set 4
Question # 1
How CO2prepared in the Solvay's process ?
- Ans 1: CO2 is prepared by heating limestone in a lime kiln . Then it is carried to carbonating tower
- Ans 2: CaCO3(s)→ CaO(s) + CO2(g)
10th Class Chemistry English Medium Chapter 15 Preparation - Set 5
Question # 1
Mention the chemical reactions for the formation of metallic copper in the bessemerization process
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Ans 1: 2Cu2S(I) + 3O2 → 2Cu2O(I) + 2SO2(g)↑2Cu2O(I) + Cu2S(I)→ 6Cu(l) + SO2(g) ↑
10th Class Chemistry English Medium Chapter 15 Preparation - Set 6
Question # 1
ICI stand for what ?
- Ans 1: Imperial chemical industries
10th Class Chemistry English Medium Chapter 15 Preparation - Set 7
Question # 1
Give use of petroleum ether
- Ans 1: Used as laboratory solvent and for dry cleaning purpose
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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