Chemistry Fsc Part 2 Online Test With Answers

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Chemistry Fsc Part 2 Online Test

Sr. # Questions Answers Choice
1 Which gas is cause of Asthma O<sub>3</sub> O<sub>2</sub> SO<sub>2</sub> CO<sub>2</sub>
2 Peroxyacetyl nitrate (PAN) is a irritant to human beings and it affects Eyes Ears Stomach Nose
3 The pH of truly acidic rain is 7-6.8 6.5-6 6-5.6 less than 5
4 The pH of unpolluted rain water should be 5.00 5.60 6.50 7.00
5 A single chloride free radical can destroy how many ozone molecules 100 100,000 100,00 unlimited
6 Which is a secondary pollutant Carbonic acid CO<sub>2</sub> SO<sub>2</sub> CO
7 Thickness of atmosphere is about how much kilometer above the surface of warth 100 km 1000 km 10,000 km unlimited
8 Ecosystem is smaller unit of Lithosphere Hydroshpere Amosphere Biosphere
9 How many zones through which the charge passes in a rotary kiln 4 3 2 5
10 The word paper is derived from the name of which reedy plant Rose Sun flower Papyrus Water Hyacinth
11 During the manufacturing process of cement the temperature of the decomposition zone goes up to 600<b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">°C</b> 800<b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">°C</b> 1000<b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">°C</b> 1200<b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">°C</b>
12 Micronutrients are required in quantity ranging from 4g-40g 6g-200g 6kg-200kg 4kg-40kg
13 Phosphorous helps the growth of root leave stem seed
14 The nitrogen present in some fertilizers helps plants to fight against diseases to produce fat to undergo photosynthesis to produce protien
15 Which woody raw material is used for the manufacture of paper pulp Cotton Biogases Rice straw Poplar
16 Which three elements are needed for the healthy growth of plants N,S,P N,Ca,P N,P,K N,K,C
17 Woody raw material for paper pulp is obtained from Cotton Bagasse Poplar Rice straw
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