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Chemistry - Physical Science Multiple Choice Question Answers

Objective Chemistry GK General Science MCQ with Answer : Today we are giving a compilation of chemistry general science (GK on Chemistry) questions with answers in online test mode. You get fully solved frequently asked objective type short questions on chemistry (under General science GK) with answers in MCQ style. If you are searching where can I get general science gk questions on Chemistry with answers for competitive exams, interviews and entrance test, then this is where we provide you with free online mcq tests for practice and preparation on chemistry GK. Practicing these General Science Chemistry GK question papers in online quiz mode will help you to improve your performance in actual Tests in any competitive exams like - rail, bank, ssc, psc, upsc, tet, etc. because these questions are taken from the actual question paper of various competitive exams including those already mentioned. You can check the answer of the mcq test instantly.

Chemistry Science General Knowledge MCQ

Q. Which one of the following is not used to dope a semiconductor ? A. AlB. BC. InD. Au
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Q. The macro-nutrient provided by inorganic fertilization are : A. C, Fe, BB. C, N, PC. N, P, KD. Mg, Zn, Fe
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Q. When TEL (Tera Ethyl Lead) is added to petrol : A. It increases the B.P of petrolB. Increases the aniti-knocking ratingC. Decreases the B.P of petrolD. Decreased the ani-kncking rating
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Q. Which of the Carbon Compounds is used as fire extinguisher ? A. CS2B. CHCl3C. CH3ClD. CCl4
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Q. Heavy metal pollution of water is caused by : A. Acid PlantsB. PaintsC. Wood BurningD. Domestic Sewage
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Q. Supersonic Aircrafts discharge the following substance into the statosphere: A. SO2B. CO2C. NO2D. CO
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Q. Atmosphere contains dust particles, salt grains, pollen grains, smoke, etc. which are collecctively known as : A. Water vapourB. OzoneC. AerosolsD. CFC
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Q. When water is added to anhydrous white copper sulphate, the color will change to : A. YelloB. GreenC. BlueD. Red
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Q. Due to rusting the weight of iron... A. decreasesB. increasesC. remains the sameD. uncertain
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Q. Mass number of a nucleus is A. the sum of the number of neutrons and protonsB. always more than the atomic weightC. always less than its atomic numberD. None of these
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Q. The material that can be deformed permanently by heat and pressure is called a A. ThermosetB. ThermoplasticC. Chemical CompoundD. Polymer
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Q. The oil used in the froth floatation process is A. Coconut oilB. Olive oilC. KeroseneD. Pine Oil
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Q. Phosphorus is mainly extracted from A. SandB. AshC. Bone ashD. Fertiliser
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Q. Nylon is prepared from A. Adipic acid and hexametheylene diamineB. Ethylene glycol and nitric acidC. Hexametheylene diamine and phthalic acidD. Ethylene clycol and adipic acid
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Q. Which of the following is the main ingredient of cement? A. LimestoneB. Silica ClayC. GypsumD. Ash
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