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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
What is Existence of ozone layer.
- Ans 1: It lies in stratosphere region about 25 to 30 km away from earth's surface.
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
What is Existence of ozone layer.
- Ans 1: It lies in stratosphere region about 25 to 30 km away from earth's surface.
10th Class Chemistry English Medium Chapter 14 Preparation - Set 2
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 3
Question # 1
How decaying plants consume oxygen ?
- Ans 1: When algae dies , bacteria consume oxygen of the water for decomposition of algae . As a result oxygen depletes in this water . Aquatic animals feel suffocation and ultimately die due to insufficient supply of oxygen
10th Class Chemistry English Medium Chapter 14 Preparation - Set 4
Question # 1
What primary pollutants
- Ans 1: These are waste or exhausi products driven out because of combustion of fossil fuels and organic matter. these are oxides of sulphur oxides, of carbon and oxides of nitrogen .
10th Class Chemistry English Medium Chapter 14 Preparation - Set 5
Question # 1
Name three primary air pollutants
- Ans 1: Ans: These are oxides of sulphur (SO2 and SO3 ); oxides of carbon (CO2 and CO); oxides of nitrogen (specially nitric oxide NO); hydrocarbon (CH4 ); ammonia and compounds of fluorine.
10th Class Chemistry English Medium Chapter 14 Preparation - Set 6
Question # 1
What Secondary pollutants.
- Ans 1: They are produced by various reactions of primary pollutants.these are sulphuric acid, carbonic acids, hydrofluoric acid ,ozone and peroxyacetyl nitrate.
10th Class Chemistry English Medium Chapter 14 Preparation - Set 7
Question # 1
What is effect of acid rain on buildings?
- Ans 1: Acid rain attack the calcium carbonate present in marble and limestone of building" monuments. Thus. these building are getting dull and eroded day by day.
10th Class Chemistry English Medium Chapter 14 Preparation - Set 8
Question # 1
Which air pollutant is produced on anaerobic decomposition of organic matter ?
- Ans 1: Naturally occurring sulphur consisting compounds are emitted in the bacterial decay of organic matter in volcanic gases and forest fires
10th Class Chemistry English Medium Chapter 14 Preparation - Set 9
Question # 1
How detergents make the water unfit for aquatic life ?
- Ans 1: The detergent remains in water for a long time and makes the water unfit for aquatic life . The phosphates salts present in detergents cause rapid growth of alga in water bodies , which flow over the surface of water . These plants ultimately die and decay . Decaying plants being biodegradable consume oxygen gas present in water . Thus depletion of oxygen gas results in death of aquatic life
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.
