NCERTCOURSE.COM- Find here the NCERT/CBSE chapter-wise Multiple Choice Questions from Class 10 Science book Chapter 4 Carbon and Its Compounds with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Carbon and Its Compounds. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.
MCQ Questions for Class 10 Science with Answers Chemistry
Q1. Which of the following will undergo addition reactions?
(a) CH4
(b) C3H8
(C) C2H6
(d) C2H4
Answer: (d)
Q2. Which of the following does not belong to the same homologous series?
(a) CH4
(b) C2H6
(c) C3H8
(d) C4H8
Answer: (d)
Q3. When ethanoic acid is treated with NaHCO^ the gas evolved is
(a) H2
(b) CO2
(c) CH4
(d) CO
Answer: (b)
Q4. Which amongst the following will conduct electricity?
(a) C6H12O6
(b) KCl(s)
(c) C2H5OH
(d) NaCl (aq)
(d) NaCl (aq)
Q5. When ethanoic acid is treated with NaHCO the gas evolved is
(a) H2
(b) CO2
(c) CH4
(d) CO
Answer: (b)
Q6. Which of the following will give a pleasant smell of ester when heated with ethanol and a small quantity of sulphuric acid?
(a) CH3COOH
(b) CH3CH2OH
(c) CH3OH
(d) CH3CHO
Answer: (a)
Q7. Which of the following contains covalent bond?
(a) MgCl2
(b) CaF2
(c) Al2O3
(d) HCl
(d) HCl
Q8. The number of C-H bonds in ethane C2H6 molecule are
(a) 4
(b) 6
(c) 8
(d) 10
(b) 6
Q9. The difference in the formula and molecular masses of CH3OH and C2H5OH is
(a) CH3 and 16 u
(b) CH2 and 14u
(c) CH4 and 18u
(d) CH3 and 16u
Answer: (b)
Q10. Which of the following belongs to homologous series of alkynes?
C6H6, C2H6, C2H4, C3H4.
(a) C6H6
(b) C2H4
(C) C2H6
(d) C3H4
Answer: (d)
Q11. The number of isomers of pentane is
(a) 2
(b) 3
(c) 4
(d) 5
(b) 3
Q12. Successive members of a homologous series vary by how many atomic mass unit?
(a) Sixteen
(b) Fourteen
(c) One
(d) Twelve
(b) Fourteen
Q13. The first member of the alkyne homologous series is
(a) propyne
(b) ethyne
(c) methane
(d) ethene
(b) ethyne
Q14. Artificial flavour for orange is obtained from
(a) amyl acetate
(b) isoamyl valerate
(c) methyl butyrate
(d) octyl acetate
(d) octyl acetate
Q15. The first compound to be prepared in the laboratory was
(a) Methane
(b) Ethyl alcohol
(c) acetic acid
(d) Urea
(d) Urea
Q16. How many double bonds are there in a saturated hydrocarbon?
(a) One
(b) Two
(c) Three
(d) Zero
(d) Zero
Q17. In diamond, each carbon atom is bonded to four other carbon atoms to form
(a) a hexagonal array
(b) a rigid three-dimensional structure
(c) a structure in the shape of a football
(d) a structure of a ring
(b) a rigid three-dimensional structure
Q18. Carbon exists in the atmosphere in the form of
(a) carbon monoxide only
(b) carbon monoxide in traces and carbon dioxide
(c) carbon dioxide only
(d) coal
(b) carbon monoxide in traces and carbon dioxide
Q19. Soaps are formed by the saponification of
(a) Alcohols
(b) simple ester
(c) carboxylic acids
(d) glycerides
(d) glycerides
Q20. Ethanol is also known as which of these?
(a) Formic acid
(b) Ethyl alcohol
(c) Ethane
(d) Acetaldehyde
(b) Ethyl alcohol
Q21. Solubility of alcohol in water is due to
(a) low density of alcohol
(b) volatile nature of alcohol
(c) ionisation
(d) hydrogen bonding
(d) hydrogen bonding
Q22. Enzyme which converts starch into glucose is
(a) Zymase
(b) Maltase
(c) Diastase
(d) Invertase
(a) Zymase
Q23. Rectified spirit is
(a) 50% ethanol
(b) 80% ethanol
(c) 95% ethanol
(d) 40 to 50% ethanol
(c) 95% ethanol
Q24. The by product in soap industry is
(a) Isoprene
(b) Ethylene glycol
(c) glycerol
(d) butane
(c) glycerol
Q25. Which of these is not an organic acid?
(a) Acetic acid
(b) Tartaric acid
(c) Nitric acid
(d) Formic acid
(c) Nitric acid
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