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Good news for the students who are near to give their board exams of matric class because here is another exciting and most dedicated service offered by this website ilmkidunya.com for all the matric students and this is to provides them a standardize and maintain level of preparation for matric students of each particular subject according to the syllabus mentioned in BISE.
Chemistry, when a student firstly listens to this subject name they definitely come in stress because the chemistry subject is as difficult as its name indicate it.
When a student starts its preparation for exams he/she feel uneasy to learn some subjects chemistry is also one of them because of containing many numerical, balance chemical equations, chemical reactions, and its end products and many other things. Making easy the understanding of this difficult subject “ilmkidunya.com” announced a special online test session for the 10th class students. This type of preparation methodology emphasize every topic of the relevant subject and helps the students to remind and revise it on daily basis. The website starting this session again for the ease of their students. This website portal manages their student's exams preparation in a most comfortable form by giving each subject preparations details both in Urdu and English medium and then dividing every subject equally and each subject is furthermore subdivided into units according to the given chapters of the subjects. The 10th class chemistry subject also designed on the same pattern as mentioned above including the short questions and its answers too. Here a student easily remember the key points of every subject easily and it will help the students not only in the exams but also later on his/her educational career as well.
This website gives student a brilliant chance to get prepare for their board exams through this online preparation method and definitely it helps in time management process during the exams periods, in short this website provides their matric students a genuine online preparation method for board exams it will help the students in all means.
10th Class Chemistry Preparation
10th Class English Medium Subjects
10th Class Urdu Medium Subjects
Online Short Questions For Chapter 6 "10th Class Chemistry English Medium Chapter 14 Preparation "
Try The Short Questions For 10th Class Chemistry English Medium Chapter 14 Preparation
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Total Questions10
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Available Sets9
Chemistry - 10th Class Chemistry English Medium Chapter 14 Preparation
Question # 1
CO2 is responsible for heating up atmosphere, how?
- Ans 1: Because CO2 in the atmosphere acts like a glass wall of a green house. It allows UV radiations to pass through it but does not allow the IR radiations to pass through it. It traps some of the infrared radiations emitted by the Earth. Hence, increased concentration of CO2 layer absorbs the infrared radiations emitted by the Earth's surface that prevents heat energy escaping from the atmosphere. It helps to stop surface from cooling down during night. As the concentration of CO2 in air increases, less heat energy is lost from the surface of the Earth. Therefore, the average temperature of the surface gradually increases. This is called greenhouse effect
Prepare Complete Set Wise Questions For Chapter 6 "10th Class Chemistry English Medium Chapter 14 Preparation "
10th Class Chemistry English Medium Chapter 14 Preparation - Set 1
Question # 1
CO2 is responsible for heating up atmosphere, how?
- Ans 1: Because CO2 in the atmosphere acts like a glass wall of a green house. It allows UV radiations to pass through it but does not allow the IR radiations to pass through it. It traps some of the infrared radiations emitted by the Earth. Hence, increased concentration of CO2 layer absorbs the infrared radiations emitted by the Earth's surface that prevents heat energy escaping from the atmosphere. It helps to stop surface from cooling down during night. As the concentration of CO2 in air increases, less heat energy is lost from the surface of the Earth. Therefore, the average temperature of the surface gradually increases. This is called greenhouse effect
10th Class Chemistry English Medium Chapter 14 Preparation - Set 2
Question # 1
How limestone dissolves in water ?
- Ans 1: Gypsum is sparingly soluble in water , while limestone is insoluble in water . However in the presence of carbon dioxide small quantity of limestone is soluble in water according to the chemical reaction
- Ans 2: CaCO3(s) + CO2(g) + H2O(I) → Ca(HCO3)2(aq)
10th Class Chemistry English Medium Chapter 14 Preparation - Set 3
Question # 1
How is acid rain produced?
- Ans 1: When rain water on dissolving air pollutants become more acidic and its pH reduced to 4 thus acid rain is formed on dissolving acidic air pollutants such as sulphur dioxide & nitrogen dioxide by rain water.
10th Class Chemistry English Medium Chapter 14 Preparation - Set 4
Question # 1
List down the names of layers of atmosphere .
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Ans 1: 1: Troposphere2: Stratosphere3: Mesosphere4: Thermosphere
10th Class Chemistry English Medium Chapter 14 Preparation - Set 5
Question # 1
What do you mean by Ozone hole?
- Ans 1: A single chlorine free radical released by teh decomposition of CFCs is capable of destroying upto many lacs of ozone molecules.the region in which ozone layer depletes is called ozone hole.
10th Class Chemistry English Medium Chapter 14 Preparation - Set 6
Question # 1
What is water pollution ?
- Ans 1: Water pollution is contamination of water bodies e.g lakes , rivers , oceans and ground water . Water pollution occurs when pollutants are discharged directly or in directly into water bodies without adequate treatment to remove harmful compounds
10th Class Chemistry English Medium Chapter 14 Preparation - Set 7
Question # 1
Why are the flood risks increasing ?
- Ans 1: Because global warming melts glaciers and snow caps that are increasing flood risks and intestine tropical cyclones
10th Class Chemistry English Medium Chapter 14 Preparation - Set 8
Question # 1
What is composition of dry air ?
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Ans 1: Nitrogen 78.09Oxygen 20.94Argon 0.93Carbon dioxide 0.03
10th Class Chemistry English Medium Chapter 14 Preparation - Set 9
Question # 1
How limestone dissolves in water ?
- Ans 1: Gypsum is sparingly soluble in water , while limestone is insoluble in water . However in the presence of carbon dioxide small quantity of limestone is soluble in water according to the chemical reaction
- Ans 2: CaCO3(s) + CO2(g) + H2O(I) → Ca(HCO3)2(aq)
10th class Chemistry Chapter 14 Preparation
Here you can prepare 10th chemistry chapter 14 online Short Questions Preparation Unit 14 (Atmosphare). Click the button for 100% free full practice test.
