Chemistry 10th Class English Medium Online Test With Answers

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Chemistry 10th Class English Medium Online Test

Sr. # Questions Answers Choice
1 Coal is the mixture of Hydrogen Methane Carbon monoxide All
2 The strong heating of coal in the absence of air is called. Carbonization Destructive distillation Fractional distillation All
3 The % age of carbon is bituminous is 60 70 80 90
4 The % age of carbon is lignite is 60 70 80 90
5 The % age of carbon in peat is : 60% 70% 80% 90%
6 The % age of carbon is coal is 40-60 50-70 40-80 40-90
7 Conversion of wood into coal is called. Carbonization Destructive distillation Fractional distillation All
8 Coal is blackish complex mixture of compounds of Carbon Hydrogen oxygen All
9 Which one contains triple covalent bond? Pentane Ethylene Acetylene All
10 Which one contains double covalent bound? Pentane Ethylene Acetylene All
11 Silicon occurs in the form of both a and b Silicates None of these Silica
12 Which one is heterocyclic compound? Benzene Cyclobutane Thiophene Nephthalene
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