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Chemistry

Chemistry
Periodic table contains how many groups

19
16
17
18

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Chemistry
The heat value of combustion of Gasoline is

39400 kJ/kg
14600 kJ/kg
47000 kJ/kg
12600 kJ/kg

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Chemistry
The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are

Silver Iodide
Dry ice or frozen carbon dioxide
Sodium Chloride
All listed here

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Chemistry
Submarines move under water. They have engines that run on

Steam
Batteries
Petrol and oxygen
Diesel

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Chemistry
Which of the following is a metallic ore ?

Quartz
Mica
Galena
Feldspar

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Chemistry
The monomer of polythene is

None of these
ethylene
vinyl chloride
ethyl alcohol

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MORE MCQ ON Chemistry

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