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Chemistry - Some Basic Concepts of Chemistry

Practise 183 NEET NTA questions on Some Basic Concepts of Chemistry. Each question shows a quick preview so you can jump straight to the topic you want to revise.

Some Basic Concepts of Chemistry has been asked in 0 of the 38 years of NEET NTA papers analysed (1988–2025), with 183 questions in all. 100% of them were easy, 0% moderate and 0% tough. Most of its questions came from 2025, with 0 questions that year. In the last three years (2023–2025) it had 0 questions across 6 papers, about 0 per paper.

All of the chapter's questions come from a single topic, Uncategorized.

  1. 1The mass percentage of nitrogen in Histamine is?
  2. 2A 500 g tooth-paste sample has 0.2 g fluoride concentration. What is the concentration of fluoride in terms of ppm level?
  3. 3Which of the following contains same number of atoms as 20 g of calcium?
  4. 4The strength of 1 0 - 2 M N a 2 C O 3 solution interms of molality will be (density of the solution = 1.10 g m l - 1 ) M . wt Na 2 CO 3 = 10
  5. 51 litre of aqueous solution of HCl has pH = 1 . How many litres of water must be added to create an aqueous solution with pH of 2 ?
  6. 610 mL citric acid ( H 3 C 6 H 5 O 7 ) is neutralised completely by 35.6 mL of 0.312 M NaOH solution. The molarity of the solution of citric
  7. 720.8 g of B a C l 2 on reaction with 9.8 g of H 2 S O 4 produces 7.3 g of H C l and some amount of B a S O 4 . The amount of B a S O 4 forme
  8. 8The molar ratio of F e 2 + to F e 3 + in a mixture of F e S O 4 and F e 2 ( S O 4 ) 3 having equal number of sulphate ions in both ferrous a
  9. 9The molality of solution containing 15.20 g of urea, (molar mass = 60) dissolved in 150 g of water is
  10. 10How many moles of N a + ions are in 20 ml of 0.4 M N a 3 P O 4 ?
  11. 11How many molecules are there in 10 drops water, if its volume is 0.05 ml per drop and density is 1 g per ml?
  12. 12Calculate the mass of Mg atomic mass = 24 g/mol that combines with 1.5 mol of O 2 to form magnesium oxide M g O .
  13. 13What are the final concentrations of all the ions when following are mixed? 50 m L of 0.12 M F e N O 3 3 , 100 m L o f 0.10 M F e C l 3 and
  14. 14The ionization enthalpies of Li and Na are 520 kJ m o l - 1 and 495 kJ m o l - 1 respectively. The energy required to convert all the atoms
  15. 15Study the following table Compound (mol. mass) Mass of the compound (in gram) taken I . C O 2 ( 44 ) 4.4 I I . N O 2 ( 46 ) 2.3 I I I . H 2
  16. 16Calculate the mass of B a C O 3 produced when excess C O 2 is bubbled through a solution containing 0.205 m o l e s o f B a O H 2 .
  17. 17A 5 molar solution of H 2 S O 4 is diluted from 1 L to 10 L. What is the normality of the solution?
  18. 18The molarity of solution obtained by mixing 750 mL of 0.5(M) HCl with 250 mL of 2(M) HCl will
  19. 19Molarity, normality and molality of the solution containing 22 % of A l 2 ( S O 4 ) 3 { d = 1.253 g / m L } by weight are
  20. 202.4 g of pure Mg (at. mass = 24) is dropped in 100 mL of 1 M HCl. Which of the following statement is wrong?
  21. 21Equal volume of 1 M HCl and 1 M H 2 S O 4 are neutralized by by dilute NaOH solution and x and y kcal of heat are liberated respectively. Wh
  22. 22Which of the following weighs the least?
  23. 23How many milli gram of iron ( F e 2 + ) are equal to 1 mL of 0.1055 N K 2 C r 2 O 7 equivalent?
  24. 24The number of oxygen atoms in 4.4 of C O 2 is (Given that atomic mass C and O are 12 and 16 g/mol )
  25. 25What mass of hydrochloric acid is needed to decompose 50 g of limestone?
  26. 26Number of moles of K 2 C r 2 O 7 that can be reduced by 1 mol of S n 2 + ions is
  27. 27Which of the following is dependent on temperature?
  28. 280.50 g sample of impure C a C O 3 is dissolved in 50 ml of 0.0985 (N) HCl. After the reaction is complete, the excess HCl required 6 ml of 0
  29. 29100 m l of 5 m H 2 SO 4 of density 1 g m / m l is mixed with 100 m l of 8 m H 2 SO 4 of density 1.25 g / m L . If there is no change in volu
  30. 30Consider the following reactions in which all the reactants and the products are in gaseous state. 2 P Q ⇌ P 2 + Q 2 ; K 1 = 2.5 × 1 0 5 P Q
  31. 31How many grams of dibasic acid (molecular mass = 200) should be present in 100 mL of its solution to give decinormal strength?
  32. 32An element, X has the following isotopic composition 200 X : 90% 199 X : 8.0 % 202 X : 2.0 % The weighted average atomic mass of the natural
  33. 33The number of oxygen atoms in 4.4 g of C O 2 is
  34. 3490 g non-volatile, non-dissociative solute is added to 1746 g water to form a dilute, ideal solution. The vapour pressure of water has decre
  35. 35What mass of C a C O 3 is required to react completely with 25 ml of 0.75 M HCl according to the reaction C a C O 3 s + 2 H C l aq → C a C l
  36. 3664 g non-volatile solute is added to 702 g benzene. The vapour pressure of benzene has decreased from 200 m m of H g to 180 m m of H g . Mol
  37. 37A mixture of methane and ethene in a molar ratio of x : y has an average molecular mass of 20 u . The mean molar mass when they are mixed in
  38. 38Calculate the number of equivalents in 10 l i t r e of 0.5 M B a ( O H ) 2 Solution ( B a = 137 ) .
  39. 39The number of moles of oxygen in one litre of air containing 21% oxygen by volume in standard condition is
  40. 40A compound of sulphur possesses 8 % sulphur by mass. Calculate the least molecular mass of compound.
  41. 416.02 × 1 0 20 molecules urea are present in 100 mL of its solution. The molarity of solution is
  42. 42The molarity of H N O 3 in a sample which has density 1.4 g / m L and mass percentage of 63% is (Molecular Weight of H N O 3 = 63 )
  43. 43By starting with 0.5 moles of sodium peroxide how many moles of dioxygen gas can be obtained by dropping excess of acidified potassium perma
  44. 44Equal mass of C H 4 and H 2 are mixed in an empty container at 25 ° C . The fraction of total pressure exerted by H 2 is
  45. 45If 30 m L of H 2 and 20 m L of O 2 react to form water, what is left at the end of the reaction?
  46. 46How many litres of C l 2 at STP will be liberated by the oxidation of NaCl with 10 g K M n O 4 ?
  47. 471.245 g sample of C u S O 4 . x H 2 O dissolved in water and excess of H 2 S was passed. The filtrate contains liberated H 2 S O 4 which req
  48. 48One atomic mass is equal to
  49. 49A mixture of 100 mL of oxygen and 500 mL of hydrogen is reacted to form water. What is maximum theoretical decrease in volume at 25 ° C ?
  50. 50A sample of N a N O 3 weighing 0.38 g is placed in a 50.0 m L volumetric flask. The flask is then filled with water to the mark on the neck.

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This chapter includes 183 NEET NTA questions.

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These are NEET NTA questions specifically for the Some Basic Concepts of Chemistry chapter. Questions from other exams like NEET or AIIMS are organised separately under their respective exam sections.

3.What is the difficulty level of Some Basic Concepts of Chemistry questions in NEET NTA?

Of the 183 questions analysed for this chapter, 100% are easy, 0% moderate and 0% tough. 2025 had the most, with 0 questions.

4.Which topics in Some Basic Concepts of Chemistry should I focus on?

All of this chapter's questions come from a single topic: Uncategorized.