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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
Differentiate primary pollutants and secondary pollutants.
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Ans 1: Secondary Pollutants :These are waste or exhaust product driven outvarious reactions of primary pollutantsexample : H2SO4, H2CO3 ,HNO3 , HF , Ozone ,PAN
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Ans 2: Primary Pollutants: These are wastes or exhaust product driven out because of combustion of fossil fuels and organic matterexample :Oxides of sulphur. oxides of carbon, oxides of nitrogen. CH,. ammonia and compounds of fluorine
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
Differentiate primary pollutants and secondary pollutants.
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Ans 1: Secondary Pollutants :These are waste or exhaust product driven outvarious reactions of primary pollutantsexample : H2SO4, H2CO3 ,HNO3 , HF , Ozone ,PAN
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Ans 2: Primary Pollutants: These are wastes or exhaust product driven out because of combustion of fossil fuels and organic matterexample :Oxides of sulphur. oxides of carbon, oxides of nitrogen. CH,. ammonia and compounds of fluorine
10th Class Chemistry English Medium Chapter 14 Preparation - Set 2
Question # 1
What is ozone layer.
- Ans 1: The maximum concentration of ozone is called ozone layer.
10th Class Chemistry English Medium Chapter 14 Preparation - Set 3
Question # 1
Why the water molecule is polar ?
- Ans 1: Water molecule has polar structure i-e one end of the molecule is partially while the other end is partially negative because of electronegativity difference between oxygen and hydrogen atoms
10th Class Chemistry English Medium Chapter 14 Preparation - Set 4
Question # 1
What are the reasons of waterborne diseases?
- Ans 1: Diseases that spread because of drinking polluted water or eating food prepared with polluted water are called waterborne infectious disease . Water pollution may be due to toxins or microorganisms . Toxins are arsenic , mercury , arsenic , lead and many organic chemicals . Microorganisms are viruses , bacteria , protozoa and worms
10th Class Chemistry English Medium Chapter 14 Preparation - Set 5
Question # 1
Why the water molecule is polar ?
- Ans 1: Water molecule has polar structure i-e one end of the molecule is partially while the other end is partially negative because of electronegativity difference between oxygen and hydrogen atoms
10th Class Chemistry English Medium Chapter 14 Preparation - Set 6
Question # 1
Tell about sodium zeolite .
- Ans 1: Sodium zeolite (an ion exchanger) . It is a naturally occurring resin of sodium aluminium silicate NaAl (SiO3)2which can also be prepared artificially . It is used for softening of water at domestic as well as on industrial scale
10th Class Chemistry English Medium Chapter 14 Preparation - Set 7
Question # 1
Why sea water is unfit for drinking and agricultural purposes ?
- Ans 1: Sea water is unfit for drinking and agricultural purposes due to high percentage of dissolved salts . Only 0.2 % of total water on the earth os portable i-e feet for drinking purpose
10th Class Chemistry English Medium Chapter 14 Preparation - Set 8
Question # 1
How flood risks are increasing?
- Ans 1: Global warming melts glaciers and snow caps that are increasing flood risks and intense tropical cyclones.
10th Class Chemistry English Medium Chapter 14 Preparation - Set 9
Question # 1
Define water softening and name the method of removing hardness ?
- Ans 1: The removal of Mg2+ and Ca2+ions which are responsible for the hardness is called water softening Methods
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Ans 2: 1: Temporary hardness removal :By boilingBy Clark's method2: Permanent hardness removal :By using washing sodaUsing sodium zeolite
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.
