General Science - Chemistry MCQs

1. Lysergic acid diethylamide (LSD) is a drug used as a :
[A] Steroid
[B] Sedative
[C] Analgesic
[D] Hallucinogen

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2. Which of the following substances undergo ‘sublimation’ on heating
1.Iodine
2.Napthalene
3.Camphor
[A] 1 and 2
[B] 1 and 3
[C] 2 and 3
[D] All of them

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3. Amalgam’ is a term used for an alloy of a metal with :
[A] Copper
[B] Mercury
[C] Lead
[D] Aluminium

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4. Gammaxene, D.D.T. and Bleaching powder are important compounds of :
[A] Chlorine
[B] Nitrogen
[C] Sulphur
[D] Phosphorus

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5. L.P.G. is a hydrocarbon consisting of a mixture of :
[A] Methane and Butane
[B] Propane and Butane
[C] Ethane and Propane
[D] Ethane and Butane

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6. What is Kerogen oil?
[A] Its an unconventional oil produced from the pyrolysis, hydrogenation, or thermal dissolution of Oil Shales
[B] Its a light crude oil contained in petroleum-bearing formations of shales
[C] Its an unconventional oil produced from the pyrolysis, hydrogenation, or thermal dissolution of environmental wastes
[D] It’s a new form of vegetable oil prepared artificially in laboratory

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7. Which among the following was first human-made plastic?
[A] Bakelite
[B] Polyethene
[C] Celluloid
[D] Nylon

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8. Which among the following is the correct impact of the London Forces in the Cycloalkanes?
[A] The melting and boiling points get increased
[B] The Melting and boiling points get decreased
[C] There is not impact on the melting and boiling points
[D] The melting point increases but boiling point decreases

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9. Gargling with a solution of table salt is known to provide relief for a sore throat because ____ ?
[A] It kills bacteria
[B] It works as analgesic
[C] It dehydrates water from inflammatory tissues by Osmosis
[D] Placebo effect

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10. The Potassium graphite and Calcium Graphite can be mostly used as which among the following?
[A] Moderators
[B] Semiconductors
[C] Superconductors
[D] Lubricants

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