41. None zero digits are all __________.
42. The integer part of logarithm is called __________.
43. The decimal fraction of logarithm is called __________.
44. __________ is the amount of substance, which contains as many number of particles as there are in 12 gms of Carbon.
45. 6.02 x 1023 is called the __________.
46. The accuracy of measurement depends on the number of __________.
47. __________ is the branch of chemistry that deals with quantitative relationships among the substances undergoing chemical changes.
48. The sum of atomic weights of all the elements present in molecular formula is called the __________.
49. __________ is the sum of atomic weights of the elements represented by the Empirical formula of the compound.
50. Very small and very large quantities are expressed in terms of __________.
51. In rounding off __________ figure is dropped.
52. Mole is the quantity, which has __________ particle of the substance.
53. For three significant figures, 25.55 is rounded off to __________.
54. The S.I unit of a mass is __________.
55. Mass of 6.02 x 1023 molecules of NaCl is __________ gm.
56. 1 mole of NaOH is __________ gm of NaOH.
57. Formula weight is used for __________ substances.
58. The word S.I stands for __________.
59. 4.5 gms of water will have __________ molecules.
60. 0.0087 has __________ significant figure.
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42. The integer part of logarithm is called __________.
43. The decimal fraction of logarithm is called __________.
44. __________ is the amount of substance, which contains as many number of particles as there are in 12 gms of Carbon.
45. 6.02 x 1023 is called the __________.
46. The accuracy of measurement depends on the number of __________.
47. __________ is the branch of chemistry that deals with quantitative relationships among the substances undergoing chemical changes.
48. The sum of atomic weights of all the elements present in molecular formula is called the __________.
49. __________ is the sum of atomic weights of the elements represented by the Empirical formula of the compound.
50. Very small and very large quantities are expressed in terms of __________.
51. In rounding off __________ figure is dropped.
52. Mole is the quantity, which has __________ particle of the substance.
53. For three significant figures, 25.55 is rounded off to __________.
54. The S.I unit of a mass is __________.
55. Mass of 6.02 x 1023 molecules of NaCl is __________ gm.
56. 1 mole of NaOH is __________ gm of NaOH.
57. Formula weight is used for __________ substances.
58. The word S.I stands for __________.
59. 4.5 gms of water will have __________ molecules.
60. 0.0087 has __________ significant figure.
Leave your answer in the comment section
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