We have provide GK MCQ Questions for Chemistry GK questions with Answers free PDF. Download based on the important concepts and topics given in the textbook as per new exam pattern. All these Chemistry GK MCQs Multiple Choice Questions with Answers provided here with detailed solutions. Use them as reference and be confident in the actual exam by practicing the MCQ Quiz Questions of Chemistry GK as much as you can. Each question has four options followed by the right answer.
MCQ Questions for Chemistry GK with Answers
Q1. The gas that usually causes explosions in coal mines is
(i) Hydrogen
(ii) Carbon monoxide
(iii) Air
(iv) Methane
(iv) Methane
Q2. The material known in commerce as Terylene is a
(i) Synthetic fibre
(ii) Natural fibre
(iii) Modified natural fibre
(iv) Blend of cotton and silk
(i) Synthetic fibre
Q3. How many neutrons does iron have?
(i) 8
(ii) 13
(iii) 26
(iv) 30
(iv) 30
Q4. The main constituent of natural gas is
(i) Methane
(ii) Ethane
(iii) Butane
(iv) Propane
(i) Methane
Q5. Which of the following is used as filler in tyre of rubber ?
(i) Carbon black
(ii) Coal
(iii) Coke
(iv) Graphite
(i) Carbon black
Q6. Which one of the following minerals is found in pure form?
(i) Iron
(ii) Copper
(iii) Bauxite
(iv) Manganese
(ii) Copper
Q7. The most electronegative element among the following is
(i) Fluorine
(ii) Sodium
(iii) Chlorine
(iv) Oxygen
(i) Fluorine
Q8. The metallurgical process in which a metal is obtained in a fused state is called
(i) smelting
(ii) roasting
(iii) calcinations
(iv) froth floatation
(i) smelting
Q9. Table salt gets moist during rainy season because
(i) Sodium chloride is hygroscopic
(ii) Sodium chloride is deliquescent
(iii) Sodium chloride contains some quantity of sodium iodide
(iv) Sodium chloride contains hygroscopic impurities like magnesium chloride
(iv) Sodium chloride contains hygroscopic impurities like magnesium chloride
Q10. Malathion is a/an
(i) Insecticide
(ii) Fumigant
(iii) Preservative
(iv) Pesticide
(i) Insecticide
Q11. In organic compounds, nitrogen is estimated by
(i) Carius method
(ii) Victor-Meyer’s method
(iii) Liebig’s method
(iv) Dumas method
(iv) Dumas method
Q12. The antiparticle of an electron is
(i) Positron
(ii) Proton
(iii) Alpha particles
(iv) Beta particles
(i) Positron
Q13. The presence of Cobalt in Vitamin B12 was established for the first time by
(i) Hydrolysis test
(ii) Spectroscopy
(iii) Borax-Bead test
(iv) Sodium Nitroprusside test
(ii) Spectroscopy
Q14. The product, 9-nitroanthracene is obtained from anthracene by the action of
(i) Nitric acid and acetic anhydride
(ii) Nitric acid and ethyl alcohol
(iii) Nitric acid and acetic acid
(iv) Nitric acid in excess
(i) Nitric acid and acetic anhydride
Q15. The method of concentrating the ore which makes use of the difference in density between ore and impurities is called
(i) liquation
(ii) leaching
(iii) levigation
(iv) magnetic separation
(iii) levigation
Q16. Which of the following quantum number determines the number of sub-shells?
(i) Electron spin quantum number
(ii) Principal quantum number
(iii) Magnetic quantum number
(iv) Azimuthal quantum number
(iv) Azimuthal quantum number
Q17. Which of the following is the purest form of Iron?
(i) Pig iron
(ii) Cast iron
(iii) Wrought iron
(iv) None of the above
(iii) Wrought iron
Q18. What do we call the compounds having identical molecular formula but different structures?
(i) Functional isomers
(ii) Structural isomers
(iii) Mirror isomers
(iv) Branched isomers
(ii) Structural isomers
Q19. Which of the following is correct about Calcium oxide?
(i) It is a blue liquid
(ii) It has a melting point of 2870 K
(iii) Both (i) and (ii)
(iv) None
(ii) It has a melting point of 2870 K
Q20. hich of the following is the use of washing soda?
(i) softening of water
(ii) manufacture of glass
(iii) manufacture of paints
(iv) All of the above
(iv) All of the above
Q21. Which of the following factors do not affect the value of modulus of elasticity of a body?
(i) Nature of material
(ii) Temperature of the body
(iii) Length and volume and of the body
(iv) None of the above
(iii) Length and volume and of the body
Q22. Which of the following strains is produced in a body if the deforming force produces a change in the shape of the body without changing its volume?
(i) Linear
(ii) Volumetric
(iii) Shearing
(iv) All of the above
(iii) Shearing
Q23. Which of the following chemicals is also known as “Chinese snow”?
(i) Silver iodide
(ii) Potassium nitrate
(iii) Ammonium chloride
(iv) Sodium phosphate
(ii) Potassium nitrate
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