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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 General Knowledge Questions

Given below some common questions on chemistry that were asked in actual competitive examinations as part of science general knowledge section. These question are already solved, so you can check the answer instantly. However we recommend you to try the questions first, then see the answer by clicking the 'Show Answer' button.


INSTRUCTION: CLICK ON THE OPTION (A, B, C, D) TO SELECT IT AS YOUR ANSWER.


Q.Which one of the following is not used to dope a semiconductor ?
A.
Al
B.
B

C.
In
D.
Au

Show Answer
Q.The macro-nutrient provided by inorganic fertilization are :
A.
C, Fe, B
B.
C, N, P

C.
N, P, K
D.
Mg, Zn, Fe

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Q.When TEL (Tera Ethyl Lead) is added to petrol :
A.
It increases the B.P of petrol
B.
Increases the aniti-knocking rating

C.
Decreases the B.P of petrol
D.
Decreased the ani-kncking rating

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Q.Which of the Carbon Compounds is used as fire extinguisher ?
A.
CS<sub>2</sub>
B.
CHCl<sub>3</sub>

C.
CH<sub>3</sub>Cl
D.
CCl<sub>4</sub>

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Q.Heavy metal pollution of water is caused by :
A.
Acid Plants
B.
Paints

C.
Wood Burning
D.
Domestic Sewage

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Q.Supersonic Aircrafts discharge the following substance into the statosphere:
A.
SO<sub>2</sub>
B.
CO<sub>2</sub>

C.
NO<sub>2</sub>
D.
CO

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Q.Atmosphere contains dust particles, salt grains, pollen grains, smoke, etc. which are collecctively known as :
A.
Water vapour
B.
Ozone

C.
Aerosols
D.
CFC

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Q.When water is added to anhydrous white copper sulphate, the color will change to :
A.
Yello
B.
Green

C.
Blue
D.
Red

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Q.Due to rusting the weight of ironů.
A.
decreases
B.
increases

C.
remains the same
D.
uncertain

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Q.Mass number of a nucleus is
A.
the sum of the number of neutrons and protons
B.
always more than the atomic weight

C.
always less than its atomic number
D.
None of these

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Q.The material that can be deformed permanently by heat and pressure is called a
A.
Thermoset
B.
Thermoplastic

C.
Chemical Compound
D.
Polymer

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Q.The oil used in the froth floatation process is
A.
Coconut oil
B.
Olive oil

C.
Kerosene
D.
Pine Oil

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Q.Phosphorus is mainly extracted from
A.
Sand
B.
Ash

C.
Bone ash
D.
Fertiliser

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Q.Nylon is prepared from
A.
Adipic acid and hexametheylene diamine
B.
Ethylene glycol and nitric acid

C.
Hexametheylene diamine and phthalic acid
D.
Ethylene clycol and adipic acid

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Q.Which of the following is the main ingredient of cement?
A.
Limestone
B.
Silica Clay

C.
Gypsum
D.
Ash

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More Questions on Chemistry

If you can solve these multiple choice questions on Chemistry questions in online mcq quiz mode, then it will be helpful for you to increase your general knowledge and will definitly be helpful to take your score high in actual Tests in any competitive exams like - rail, bank, ssc, psc, upsc, tet, etc. We will add more questions soon. So please do visit examtiger regularly.

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