Some Basic Concepts of Chemistry MCQ for Class 11 Chemistry Chapter 1 Answers

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 11 Chemistry book Chapter 1 Some Basic Concepts of Chemistry with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 11 Chemistry Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Some Basic Concepts of Chemistry. Each Questions has four options followed by the right answer. Download the Chemistry Quiz Questions with Answers for Class 11 free Pdf and prepare to exam and help students understand the concept very well.

MCQ Questions for Class 11 Chemistry with Answers

Q1. The total number of atoms represented by the compound CuSO₄. 5H₂O is

(i) 27
(ii) 21
(iii) 5
(iv) 8

(ii) 21

Q2. How much of NaOH is required to neutralise 1500 cm³ of 0.1 NHCl?

(i) 40 g
(ii) 4 g
(iii) 6 g
(iv) 60 g

(iii) 6 g

Q3. The number of moles present in 6 gms of carbon is:

(i) 2
(ii) 0.5
(iii) 5
(iv) 1

(ii) 0.5

Q4. Difference in density is the basis of

(i) gravity separation
(ii) molecular sieving
(iii) ultrafiltration
(iv) molecular attraction

(i) gravity separation

Q5. An atom is 10 times heavier than 1/12th of mass of a carbon atom (C – 12). The mass of the atom in a.m.u. is

(i) 10
(ii) 120
(iii) 1.2
(iv) 12

(i) 10

Q6. The percentage of nitrogen in urea is about

(i) 46
(ii) 85
(iii) 18
(iv) 28

(i) 46

Q7. The -ve charged particles is called:

(i) Anion
(ii) Cation
(iii) Radical
(iv) Atom

(i) Anion

Q8. Which of the following substances cannot be separated in

(i) Solid glucose
(ii) Salt and sugar
(iii) Sugar and water solution
(iv) None of these

(i) Solid glucose

Q9. Which of the following halogen can be purified by sublimation

(i) F₂
(ii) Cl₂
(iii) Br₂
(iv) I₂

(iv)

Q10. The prefix 10¹⁸is

(i) giga
(ii) exa
(iii) kilo
(iv) nano
(e) mega

(ii) exa

Q11. Which of the following weighs the most?

(i) One g – atom of nitrogen
(ii) One mole of water
(iii) One mole of sodium
(iv) One molecule of Sodiumcloride

(iii) One mole of sodium

Q12. Which one of the following set of units represents the smallest and largest amount of energy respectively?

(i) eV and L-atm
(ii) erg and cal
(iii) J and erg
(iv) cal and eV

(i) eV and L-atm

Q13. Haemoglobin contains 0.33% of iron by weight. The molecular weight of haemoglobin is approximately 67200. The number of iron atoms (At. wt. of Fe = 56) present in one molecule of haemoglobin is

(i) 6
(ii) 1
(iii) 4
(iv) 2

(iii) 4

Q14. One mole of calcium phosphide on reaction with excess of water gives

(i) One mole of phosphine
(ii) Two moles of phosphoric acid
(iii) Two moles of phosphine
(iv) One mole of phosphorous pentoxide

(iii) Two moles of phosphine

Q15. What is the concentration of nitrate ions if equal volumes of 0.1 MAgNO₃ and 0.1 M NaCl are mixed together

(i) 0.1 M
(ii) 0.2 M
(iii) 0.05 M
(iv) 0.25 M

(iii) 0.05 M

Q16. Which of the following is not a SI unit?

(i) litre
(ii) candela
(iii) metre
(iv) mole

(i) litre

Q17. Any charged particle is called:

(i) Atom
(ii) Molecule
(iii) Ion
(iv) Mixture

(iii) Ion

Q18. 7.5 grams of a gas occupy 5.6 litres of volume at STP. The gas is

(i) NO
(ii) N₂O
(iii) CO
(iv) CO₂

(i) NO

Q19. The significant figures in 3400 are

(i) 2
(ii) 5
(iii) 6
(iv) 4

(ii) 5

Q20. The number of significant figures for the three numbers 161 cm, 0.161 cm, 0.0161 cm are

(i) 3,3 and 3 respectively
(ii) 3,4 and 4 respectively
(iii) 3,4 and 5 respectively
(iv) 3,3 and 4 respectively

(i) 3,3 and 3 respectively

Q21. A chemical formula based on actual number of molecule is called __ formula:

(i) Structural
(ii) Molecular
(iii) Empirical
(iv) None

(ii) Molecular

Q22. The S.I unit of temperature is :

(i) Kelvin
(ii) Celsius
(iii) Fahrenheit
(iv) Centigrade

(i) Kelvin

We Think the given NCERT MCQ Questions for class 11 Chemistry book Chapter 1 Some Basic Concepts of Chemistry with Answers Pdf free download will assist you. If you’ve got any queries regarding CBSE Class 11 Chemistry of Some Basic Concepts of Chemistry MCQs Multiple Choice Questions with Answers, drop a comment below and that we will come back to you soons

Some Basic Concepts of Chemistry MCQ Questions for Class 11 Chemistry Chapter 1 with Answers

MCQ Questions for Class 11 Chemistry with Answers

Q1. The total number of atoms represented by the compound CuSO₄. 5H₂O is

Q2. How much of NaOH is required to neutralise 1500 cm³ of 0.1 NHCl?

Q3. The number of moles present in 6 gms of carbon is:

Q4. Difference in density is the basis of

Q5. An atom is 10 times heavier than 1/12th of mass of a carbon atom (C – 12). The mass of the atom in a.m.u. is

Q6. The percentage of nitrogen in urea is about

Q7. The -ve charged particles is called:

Q8. Which of the following substances cannot be separated in

Q9. Which of the following halogen can be purified by sublimation

Q10. The prefix 10¹⁸is

Q11. Which of the following weighs the most?

Q12. Which one of the following set of units represents the smallest and largest amount of energy respectively?

Q13. Haemoglobin contains 0.33% of iron by weight. The molecular weight of haemoglobin is approximately 67200. The number of iron atoms (At. wt. of Fe = 56) present in one molecule of haemoglobin is

Q14. One mole of calcium phosphide on reaction with excess of water gives

Q15. What is the concentration of nitrate ions if equal volumes of 0.1 MAgNO₃ and 0.1 M NaCl are mixed together

Q16. Which of the following is not a SI unit?

Q17. Any charged particle is called:

Q18. 7.5 grams of a gas occupy 5.6 litres of volume at STP. The gas is

Q19. The significant figures in 3400 are

Q20. The number of significant figures for the three numbers 161 cm, 0.161 cm, 0.0161 cm are

Q21. A chemical formula based on actual number of molecule is called __ formula:

Q22. The S.I unit of temperature is :

MCQ Questions for Class 11 Chemistry Chapter wise with Answers

Leave a Comment Cancel Reply

MCQ Questions for Class 11 Chemistry with Answers

Q1. The total number of atoms represented by the compound CuSO4. 5H2O is

Q2. How much of NaOH is required to neutralise 1500 cm³ of 0.1 NHCl?

Q3. The number of moles present in 6 gms of carbon is:

Q4. Difference in density is the basis of

Q5. An atom is 10 times heavier than 1/12th of mass of a carbon atom (C – 12). The mass of the atom in a.m.u. is

Q6. The percentage of nitrogen in urea is about

Q7. The -ve charged particles is called:

Q8. Which of the following substances cannot be separated in

Q9. Which of the following halogen can be purified by sublimation

Q10. The prefix 1018 is

Q11. Which of the following weighs the most?

Q12. Which one of the following set of units represents the smallest and largest amount of energy respectively?

Q13. Haemoglobin contains 0.33% of iron by weight. The molecular weight of haemoglobin is approximately 67200. The number of iron atoms (At. wt. of Fe = 56) present in one molecule of haemoglobin is

Q14. One mole of calcium phosphide on reaction with excess of water gives

Q15. What is the concentration of nitrate ions if equal volumes of 0.1 MAgNO3 and 0.1 M NaCl are mixed together

Q16. Which of the following is not a SI unit?

Q17. Any charged particle is called:

Q18. 7.5 grams of a gas occupy 5.6 litres of volume at STP. The gas is

Q19. The significant figures in 3400 are

Q20. The number of significant figures for the three numbers 161 cm, 0.161 cm, 0.0161 cm are

Q21. A chemical formula based on actual number of molecule is called __ formula:

Q22. The S.I unit of temperature is :

MCQ Questions for Class 11 Chemistry Chapter wise with Answers

Leave a Comment Cancel Reply

Q1. The total number of atoms represented by the compound CuSO₄. 5H₂O is

Q10. The prefix 10¹⁸is

Q15. What is the concentration of nitrate ions if equal volumes of 0.1 MAgNO₃ and 0.1 M NaCl are mixed together