Chemistry Fsc Part 2 Chapter 2 Online Test With Answers

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Chemistry Fsc Part 2 Chapter 2 Online Test

Sr. # Questions Answers Choice
1 Which one is not use of lime Extraction of metals Ceramic industry Preparation of bleaching powder Preparation of gypsum
2 When water is added to plaster of paris, it changes to a hard mass. Its volume also expands upto 1% 2% 3% 5%
3 Sulphur is essential constituent for plants. Which is not role of sulphur Chlorophyll development Development of root system Constituents of some proteins Increase transpiration force
4 Which of the following compounds is used to make spray, which has fungicidal action. BaSO4 Na2CO3 CaO CaSO4.2H2O
5 Which substance is used to lower the melting point of NaCl in Down's cell CaCO3 CaCl2 MgSO4 AlCl3
6 In Down's cell anode is made up of. Iron Copper Graphite Platinum
7 Sodium is collected over molten sodium chloride in Down's cell, because. It does not react with NaCl It is lighter in weight and floats on molten NaCl Its reactivity is greater than NaCl None of these
8 Which is insoluble in water. BeSO4 MgSO4 CaSO4 BaSO4
9 Which is called milk of magnesia. MgCO3 Mg(OH)2 MgSO4 MgCl2
10 Which oxide is amphoteric in nature. BeO MgO CaO BaO
11 Which on eof the following alkaline earth metal form peroxide when heated with oxygen at 600 oC Magnesium Calcium Strontium Barium
12 Which one of the following elements has the same oxidation number in all its known compounds. Beryllium Nitrogen Sulphur Chorine
13 Setting of Plaster of Paris is accompanied with Hydrogen bonding Hydration Dehydration None of these
14 Which element reacts with alkali and H2 gas is produced. Be Mg Ca Sr
15 Oxides of alkaline earth metal are Acidic Basic Neutral Amphoteric
16 Oxide of Alkaline earth metal are Acid Basic Neutral Amphoteric
17 When carbon di oxide is bubbled through lime water, white precipitate is formed This precipitate is. COCl2 H2CO3 CaO CaCO3
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