chemistry MCQs – Page 63

Practise multiple-choice questions from chemistry for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

chemistry Mcqs
1241. Which of the following shows electrical conduction_____?
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A. Potassium

B. Diamond

C. Sodium

D. Graphite
1242. Hookworm is a parasitic worm that infects ______?
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A. lungs

B. liver

C. small intestine

D. large intestine

1243. Petra means ______ ?
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A. Sediment

B. Rock

C. Fuel

D. Petrol

1244. Which of the following is solid?
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A. Stone

B. Water

C. Both

D. None

1245. Give Electronic configuration of Sodium:
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A. 1s2,2s2,2p6,3s2

B. None of these

C. 1s2,2s2,2p6,3s1

D. 1s2,2s2,2p6

1246. In electrolysis of NaCl the product obtained at cathode is_______.
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A. Remain at the bottom of the cell

B. Both

C. Chloride ions

D. Sodium ions
1247. Ammonium cynanate was 1st Inorganic compound that was converted into an Organic compound (in Lab) through boiling water. The organic compound was____.
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A. Methane

B. Urea

C. Acetic acid

D. Ethanol

1248. Soap is prepared by boiling caustic soda with ___________?
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A. Kerosene oil

B. Glycerine

C. Fats

D. Alcohol

1249. Polyamides are synthetic polymers commonly known as___________?
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A. Protein

B. Cellulose

C. synthetic

D. Nylon
1250. The earth absorb radiation in Visible range but emit radiation at the same rate in the:
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A. Gamma rays

B. Infrared

C. Ultra voilet

D. All of these

1251. The following alcohol does not undergo oxidation is _____________?
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A. 0 alcohol

B. 1 alcohol

C. 3 alcohol

D. 2 alcohol

1252. Chemistry is given from language ?
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A. Arabic

B. Latin

C. Greek

D. None of these

1253. Bosch Process involves _______?
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A. Crackling

B. Reduction

C. Isomerization

D. Oxidation
1254. A scale which used to measure the Hydrogen Ion concentration in a solution is known as__________?
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A. Thermometer

B. Viscometer

C. PH Scale

D. Stagmometer

1255. Coal gas is made up of mostly ________ & _________?
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A. Hydrogen & Methane

B. Hydrogen & Carbon dioxide

C. Hydrogen & Water

D. Carbonmonoxdide & water

1256. The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?
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A. 0.18g

B. 0.12g

C. 0.24g

D. 0.16g

1257. In water molecule, Hydrogen & water are held together by ______ bond.
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A. Ionic

B. Covalent

C. Hydrogen

D. Dating

1258. Urea as a fertilizer contains:____________?
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A. 53% N

B. 46% N

C. 73% N

D. 57% N

1259. The Electronegativity of Hydrogen is _____.
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A. 1.8

B. 3.1

C. 2.8

D. 2.2
1260. The product On the oxidation of 2Alcohol is ________?
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A. Ketone

B. Aldehyde

C. Ester

D. Carboxylic acid